Estadística
Análisis de datos, distribuciones de probabilidad y pruebas de hipótesis.
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a population characteristic is normally distributed. approximately what…
C. 95%
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from unit 3, lesson 9 an airline company creates a scatter plot showing…
a. Yes, the number of flights offered and average distance driven to the airport are correlated. b. No, neither variable necessarily causes the other to change.
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a national chain of department stores ranks its 1,000,000 salespeople b…
(a) About 84% of the salespeople had sales higher in value than Mary. (b) Michael's sales were higher in value than Mary's sales.
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read the following sentence from the text. as a result, many children a…
D. a broad range of different opinions, people, etc.
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last year over 10,000 students took an entrance exam at a certain state…
(a) Christine scored higher than about 76% of the students who took the exam. (b) Both Christine and Juan scored higher than the median.
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government agencies keep data about the income distribution of the popu…
(a) Both the Tran family and the Morgan family earn less than the median income. (b) 26% of the 6000 families in the county have an income less than or equal to the Tran family's …
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a national chain of department stores ranks its 1,100,000 salespeople b…
(a) About 45% of the salespeople had sales lower in value than Martina. (b) None of the given statements are true.
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which graph represents the function $f(x)=2^{x}+2$?
B. \((0,3)\) (assuming the function was meant to be \(f(x)=2^{x}+2\) based on the given options)
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its a fact that all babies use diapers. however, parents should stop us…
A. It's a fact that all babies use diapers. C. If you happen to have a baby that grows quickly, then you have to buy more disposable diapers, more often, or you might waste unused…
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multiple choice identify the choice that best completes the statement o…
9. A. poor 10. D. The flowers do not fit in their cheerless lives. 11. C. She hears her father cry over his lack of a job. 12. B. the chance for beauty amid an ugly situation 13. …
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section 2: feudalism in europe 1. the feudal system was based on a syst…
1. land 2. lord; vassal 3. fief 4. days 5. land; protection 6. serfs 7. serf 8. economic 9. manor 10. manor 11. tithe 12. pray 13. noble 14. buildings 15. difficult 16. social hie…
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normal distribution - find z score due: october 4 at 8:00 am grade: 60%…
# Explicación: ## Paso 1: Recordar la regla empírica La regla empírica para una distribución normal dice que el 99.7% de los datos se encuentran dentro de $\mu\pm3\sigma$, donde $…
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read this portion of an outline from a passage. 1. should students work…
money, time management, and future employment
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in an all boys school, the heights of the student body are normally dis…
# Explicación: ## Paso 1: Calcular los desvios estándar Calculamos cuántos desvios estándar son los valores extremos. El valor 65 es $(71 - 65)\div3=2$ desvios estándar por debajo…
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question: the amount of time a certain brand of light bulb lasts is nor…
# Explicación: ## Paso 1: Calcular los desvios estándar Calculamos los desvios estándar para los valores dados. Para $x_1 = 1305$: $z_1=\frac{1305 - 1500}{65}=\frac{- 195}{65}=-3$…
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the average height of students in courtneys class is 5.5 feet, with a s…
A. 1.5
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normal distribution - find z score due: october 4 at 8:00 am grade: 30%…
# Explicación: ## Paso 1: Identificar los límites en términos de desviaciones estándar Calculamos cuántas desviaciones estándar están los valores 36 y 60 del promedio. Para $x = 3…
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when corey goes bowling, his scores are normally distributed with a mea…
# Explicación: ## Paso 1: Identificar la distancia al promedio Calculamos la diferencia entre los valores y el promedio. $90 = 100 - 10$ y $110 = 100+10$, es decir, $90$ y $110$ e…
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question: the amount of time a certain brand of light bulb lasts is nor…
# Explicación: ## Paso 1: Identificar la media y la desviación estándar La media $\mu = 2000$ horas y la desviación estándar $\sigma=35$ horas. ## Paso 2: Calcular los límites en …
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deltamath normal distribution - empirical rule unique id:0089 back to h…
# Explicación: ## Paso 1: Identificar la distancia al promedio El promedio es $\mu = 69$ pulgadas y la desviación estándar es $\sigma=2$ pulgadas. Calculamos la diferencia entre l…
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on a jogging trail, you take a random sample of the speed of 50 joggers…
C. You conclude that the average speed of all joggers on this trail is close to 5.3 mph.
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“whether they will or not, americans must now begin to look outward. th…
1. Due to growing production and strategic position. 2. A canal (like the Panama Canal). 3. Need for more markets and resources for growing economy. 4. Business - owners and indus…
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question #4 instructions for student read the question carefully and se…
Question 4: B. She is not sure if she remembers the exact details of everything that happened, but she can recall the way that she felt when she was growing up Question 5: B. He i…
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in the united states, the mean average height of adult women is approxi…
A. 82%
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what does elizabeth most likely mean in the following passage (paragrap…
Question #1: B. She is not sure if she remembers the exact details of everything that happened, but she can recall the way that she felt when she was growing up. Question #2: B. H…
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scientists measured the lengths of a species of lizard in a region. the…
C. 34%
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read each word, its part of speech, and its meaning. then write a sente…
One food that comes in a box is cereal. I put a lid on the jar. If I lit a campfire, I would cook marshmallows. I mix together flour and sugar. When I was six years old, I lived i…
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la tabla siguiente muestra el número de millas corridas y el número de …
El diagrama de dispersión se construye ubicando los puntos correspondientes a los pares de valores de la tabla en un sistema de coordenadas cartesiano con eje x para el número de …
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literary analysis worksheet directions: carefully read the text. then f…
1. Symbols: - Symbol: China; What it might represent: The mother's cultural heritage and the daughter's yearning for her Chinese roots. 2. Imagery: - Imagery: "a sour American loo…
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literary analysis worksheet directions: read the text carefully. then, …
Since no text is provided, we cannot fill in the tables. But the general approach to fill them is as follows: For the "Symbols" table: After reading the text, identify elements th…
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describe one way the colonists responded to the stamp act. * your answe…
1. They boycotted British goods. 2. Colonists objected to being taxed without representation in Parliament. 3. The Stamp Act taxed printed materials; the Townshend Acts taxed impo…
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what can the reader mainly infer from the following passage (paragraph …
1. D. The children hate the marigolds because they cannot understand or appreciate the flowers’ beauty 2. A. The mature part of Lizabeth experiences remorse and shame
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why was georgia the subject of many military invasions? it was in betwe…
Question 1: It was in between Spanish and English territory Question 2: Empty
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question 1 why was georgia the subject of many military invasions? it w…
Question 1: It was in between Spanish and English territory Question 2: Empty
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read the excerpt from perseus. it happened that soon after their arriva…
- Kings ruled over local areas - Kings sponsored sporting events - People came to watch the athletic games - Outsiders could take part in the athletic contests - Discus throwing w…
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the excerpt is from the omaha platform in 1892. \. we demand a national…
# Breve explicación: Los agricultores rurales en la época de la plataforma Populista en EE. UU. buscaban reformas económicas que les dieran más control y justicia en el sistema fi…
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the heights, in feet, of 10 lighthouses: {136, 107, 140, 60, 146, 95, 8…
Minimum: 60 Lower Quartile: 85 Median: 104 Upper Quartile: 115 Maximum: 146
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3. now, you try to understand what the sentences mean. fill in the blan…
a. a b. avons c. êtes d. ont e. suis f. es g. ont h. est i. as j. est Self - description sentences: 1. J'ai deux soeurs. 2. J'ai vingt - ans. 3. Je suis sportif. 4. Je suis à la m…
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name saving and investing date directions: compare and contrast the inv…
1. F 2. T 3. F 4. F 5. F 6. T 7. T 8. F 9. F 10. T
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8.1 quiz exponential functions 1. what is the value of h and k on the p…
A. \(h = 1,k = 3\) ### 2. For the function \(y = 3^{x + 4}-2\)
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read the excerpt from act 5, scene 1, of julius caesar. messenger. prep…
It suggests that the enemy is well - decorated and showy in their confident approach.
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create a box - and whisker plot and give the five - number summary for …
Minimum: $12$ Lower Quartile: $15$ Median: $22$ Upper Quartile: $31.5$ Maximum: $39$
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reading passage ethan, glaring at his face in the glass, threw his head…
D. stubbornly
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question 10/11 what does first zeena say that upsets ethan as he is pre…
B. "If you say you can't afford a hired girl when Mattie goes."
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reading passage \sickly,\ and frome had to admit that, 30 if she were a…
A. inactive
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reading passage question 5/11 as used in line 14, fatuity most nearly m…
C. foolishness
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reading passage question 3/11 why is zeena unhappy with mattie? a her h…
A. Her housekeeping skills lack the attention to detail expected by Zeena
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return to the essay as you respond to the following questions. use text…
1. The use of "alien" implies a feeling of being an outsider, which shows the author's discomfort with not fully belonging. 2. The statement may indicate pride in her cultural ide…
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find the 5 - number summary of the following: 60, 56, 43, 35, 62, 71, 6…
Lower Quartile (Q1): 43 Median: 60 Upper Quartile (Q3): 65
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youtube: why pop music is obsessed with you by andrew huang 1. what not…
1. a. Tonic 2. c. The second note in a scale 3. a. Rock and Roll 4. a. Tonic 5. a. Tonic 6. a. It energizes 7. a. The tonic (C), c. The subdominant (F)
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using a frequency table to construct a histogram. the frequency table w…
1. **What will the horizontal axis represent?** - # Explanation: ## Step1: Recall histogram - axis representation In a histogram, the horizontal axis represents the variable being…
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the histogram shows the number of text messages sent by two high - scho…
Texting is done in clusters.
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directions: the function $v(t)=250,000(1.038)^t$ represents the value (…
The annual percent rate of change is $3.8\%$. This means that the value of the home increases by $3.8\%$ each year after its initial purchase.
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dean describes the data in the histogram as having a cluster from 30 - …
The graph is not symmetrical.
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analyzing histograms number of texts which statements are true given th…
- The cluster from 4 p.m. - 10 p.m. means that most of the texts were sent in the afternoon and evening. - More texts were sent from 6 p.m. - 8 p.m. than from 8 p.m. - 10 p.m. - T…
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using data to answer questions number of payphones the histogram shows …
between 150 and 200
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identifying parts of a histogram given the histogram, use the drop - do…
Zero frequency: None A peak: 651 - 700
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alonzo describes a histogram as having a cluster from 20 - 50, a freque…
The first histogram.
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reading a histogram the histogram represents the number of hours band s…
The bars represent the number of students (frequency) in each time - interval; 6 students spend 3 or more hours practicing; 9 students spend fewer than 2 hours practicing.
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read the sentence from paragraph 10. the princes stared at horwag, thei…
3. D. They are frightened 4. A. in a small way
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native american medicine type of illness/injury|source of medicine blee…
1. The plant - based materials used to treat illnesses and injuries. 2. They used various plant resources as medicine according to different health problems, demonstrating knowled…
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read the sentence from paragraph 13. the princes stared at him with the…
1. A. They are greedy 2. A. in a small way
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use context to determine the meaning of denounce. the public statement …
22. Condemn 23. Mild 24. Meaning 1: Not changing or fluctuating; Used meaning: Not changing or fluctuating 25. Allow 29. Disperse 30. Be an expression or example of 31. Replenishe…
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use context to determine the meaning of denounce. the public statement …
22. Speak out against 23. Mild 24. Firmly fixed; not changing (in the given context, not deteriorating) 25. Shape or structure 26. Allow 29. Disperse 30. Be an example of; Repleni…
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18. n + 1 means a number ______ to 1. 21. n - 3 means ______ 3 from a n…
18. added 21. subtracting 22. increased 26. quotient
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in accordance with this rule, it may safely be assumed that the forefat…
The prison and cemetery were built early, with the cemetery expanding in size from its original plot.
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read this excerpt from chapter 1 of the scarlet letter. finding it so d…
unfavorable, boding ill
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what does \mysterious\ mean in these sentences? papa came home from wor…
full of the unknown
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what does \furious\ mean? full of anger the lack of feeling angry capab…
A. full of anger
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mr. jensens science class recorded the high temperature each day for tw…
The box - plot with minimum value 53, Q1 = 55, median = 56, Q3 = 58 and maximum value 62 represents the data. (Since no specific options are given in a proper way to choose from, …
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the brinklan bakery is a popular spot for sweets. the owner tested two …
choco chili brownies
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mrs. clark, a gym teacher, recorded the number of laps each student ran…
The box - plot should have the minimum value at 5, $Q_1$ at 6, the median at 8, $Q_3$ at 9, and the maximum value at 10. Without seeing all the options, you can check which box - …
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bruce helps answer mail for the mayor of pineville. after the mayor vis…
The box - plot with minimum at 3, $Q_1$ at 4, median at 6, $Q_3$ at 8 and maximum at 11 represents the data. (Since no specific options are given in a proper way, this is a genera…
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ian sells his drawings at weekend art fairs. he recorded how much he ea…
We need to match the calculated values of minimum ($100$), $Q_1$ ($110$), median ($150$), $Q_3$ ($180$), and maximum ($200$) with the given box - plots. Without the full set of bo…
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ms. chang tracked the number of homework assignments her two math class…
Class 1
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emmetts party supply store is known for their long - lasting helium bal…
The first box - plot (where the box starts at 30, ends at 60, has a line inside the box at 40, and whiskers go from 20 to 90) represents the data.
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gabby is working on reducing traffic in her town. last week, she tracke…
25
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harper works as a photographer for the bay valley news, which is publis…
75
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last week, the bay city bus company tracked how long their school buses…
50
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fit challenges organized an obstacle course for adults. they tracked th…
260
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last semester, mr. king kept track of how many times each student was a…
2
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jay is researching for his oral presentation about the lack of recyclin…
what information Yasmin presented to change the council's mind, the steps Yasmin took to convince the council to pass the ordinance, Yasmin's purpose in attending the town hall me…
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samar is conducting research about comedian and actress lucille ball. w…
a book about Ball's impact as a performer, a review of Ball's television show
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we watch and we hope as we see positive changes taking place. there are…
What type of rhetorical device does Reagan use in this passage? Simile. What is the effect of the rhetorical device? It makes the abstract concept of change tangible by comparing …
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reagans address at moscow state university. thank you all very much, an…
A. There is opportunity to change the Soviet Union for the better.
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we are seeing the power of economic freedom spreading around the world.…
"spreading around the world"
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in \because i could not stop for death,\ what is the significance of th…
The phrase characterizes Death as being removed from human concerns.
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i have been a nurse for twenty years. in that time, i have seen a great…
It uses a specific example as evidence.
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when emerson states, \it by no means follows that we are not fit for so…
He tries to show that people behave differently at parties than they might elsewhere, and so parties are not a measure of human worth.
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i have been a nurse for twenty years. in that time, i have seen a great…
the use of facts and statistics to support the anecdote
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which best describes the claim of a compare - and - contrast essay? a s…
an umbrella statement that establishes the parts of the argument
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the graph shows a distribution of data. which statement about the data …
D. A value of 0.9 is more than 2 standard deviations from the mean.
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nine wolves, eight female and one male, are to be released into the wil…
A. 28 ways
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sam kept track of the number of problems he was assigned for his math h…
The data is symmetric and shows that half of the assignments contained 15 problems or fewer.
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ryder shot a model rocket over an area that consists of two grassy area…
D. 0.6
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the spinner is equally likely to land on any of the five sections. what…
$\frac{3}{5}$
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steve determined the number of states each of his friends has visited. …
The data is skewed left and shows that half of Steve’s friends have visited 10 to 40 states.
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table b frequency of foreign - language studies by row table b frequenc…
D. Table B, because the given condition is that the student is taking a foreign - language
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polanda wanted to see if there was a connection between red hair and gr…
First, calculamos el total de personas observadas: \[18 + 29+114 + 650=811\] El número de personas con ojos verdes y cabello rojo es 18. La frecuencia relativa \(x\) de personas c…
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the probability for event a is 0.4, the probability for event b is 0.2,…
C. The product of \(P(A)\) and \(P(B)\) is not equal to \(P(A \text{ and } B)\).