Estadística
Análisis de datos, distribuciones de probabilidad y pruebas de hipótesis.
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an internet and cable - television supplier surveyed a random sample of…
About one - fourth of the cable - television customers are not satisfied.
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janie asked all of her classmates about the number of pets they have in…
The survey represents quantitative data.
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the number of points that shira scored each basketball game so far this…
The data is skewed to the left and shows that she scored 11 points in more games than all of the other games combined.
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read the passage and answer the question that follows. in the heart of …
The mayor prefers building a sports complex, and Ms. Thompson wants to keep the community building.
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steve determined the number of states each of his friends has visited. …
The data is skewed right and shows that half of Steve's friends have visited 10 to 40 states.
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sam kept track of the number of problems he was assigned for his math h…
The data is skewed and shows that half of the assignments contained 15 problems or fewer.
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researchers asked residents of a city about where they lived and whethe…
residents living in a house who have a dog; residents living in an apartment who have a dog
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15) prewrite - free write (2 - 3 sentences) prompt: write anything that…
A time I felt brave was when I had to give a speech in front of a large audience. Courage means facing your fears and not backing down. People show courage when they stand up for …
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describe the shape of the histogram. skewed left skewed right roughly s…
Describe the shape of the histogram: Skewed left Find the mean: Calculate using $\mu=\sum_{i}x_ip_i$ Find the variance: Calculate using $\sigma^{2}=\sum_{i}(x_i - \mu)^2p_i$ Find …
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define the following vocabulary words from on the come up - chap 1 - 13…
1. Lucrative: Producing a great deal of profit. 2. Inevitably: As is certain to happen; unavoidably. 3. Clique: A small exclusive group of people. 4. Fallacy: A mistaken belief, e…
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describe the shape of the histogram. skewed left skewed right roughly s…
Describe the shape of the histogram: - Skewed right Find the mean: (No numerical data for frequencies, cannot calculate exactly) Find the variance: (No numerical data for frequenc…
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name: zydijah suber per: 8th date: sep 20, 2015 mr. pinnock define the …
The willingness to take bold risks.
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describe the shape of the histogram. skewed left skewed right roughly s…
1. **Shape of the histogram**: The histogram is skewed right because the tail of the distribution extends to the right (the values on the right - hand side have lower frequencies …
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describe the shape of the histogram. skewed left skewed right roughly s…
Describe the shape of the histogram: - Skewed right Find the mean: (No data to recalculate, assume correct value needs to be calculated from original data source) Find the varianc…
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read the excerpt from \aint i a woman?\ by sojourner truth delivered 18…
# Breve explicación: Las frases "borne thirteen children" (haber dado a luz a trece hijos) y "cried out with my mother's grief" (llamado con el dolor de madre) se usan para mostra…
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describe the shape of the histogram. skewed left skewed right roughly s…
$\mu = 4.23$ $\sigma^{2}=2.03612$ $\sigma\approx1.4269$
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describe the shape of the histogram. skewed left skewed right roughly s…
Shape: Skewed right Mean: Can't be calculated without frequency values Variance: Can't be calculated without frequency values and mean Standard deviation: Can't be calculated with…
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how did income distribution in the us change in the early 2000s? the nu…
The gap between rich people and poor people increased.
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routes between asia, africa, and europe, changing the way the two conti…
Network
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how did the emancipation proclamation change the meaning of the civil w…
The goal of the war changed from saving the Union to saving the Union and eliminating slavery.
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two sets of data are shown. data set a: 30, 38, 42, 42, 43, 47, 51, 51,…
mean, range, standard deviation
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an experiment was conducted that recorded the weight of a new bar of so…
The weight of the new bar of soap was 123 grams.
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sample standard deviation? 22. in a population distribution, a score of…
The mean of the population is $\mu = 60$ and the standard deviation is $\sigma = 10$.
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shoe size would best be used as the explanatory variable, and grade poi…
B. The scatterplot should have no direction, no form, and a weak correlation.
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match up as many words and meanings as you can. check this exercise aga…
1. d 2. f 3. a 4. a 5. h 6. b 7. i 8. j 9. k 10. c 11. g 12. e
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18. for a population with a standard deviation of $sigma = 12$, a score…
100
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what would you expect to see in the scatterplot? a. the scatterplot sho…
A. The scatterplot should have a positive, straight (linear), and moderately strong correlation.
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16. a score that is 10 points above the mean corresponds to a z - score…
$\frac{25}{3}\approx8.33$
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what would you expect to see in the scatterplot? a. the scatterplot sho…
B. The scatterplot should have a positive, straight (linear), and strong correlation.
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suppose you were to collect data for each pair of variables. you want t…
C. Either weight in grams or weight in ounces can be the explanatory value. Then the other will be the response variable, because weight in ounces can be predicted by weight in gr…
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there will usually be a pseudo - french bakery wing pastries that alway…
C. It brings up fond memories of time with family.
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melinda works at a cafe. each day that she works, she records x, the to…
$26$
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2. how does the figurative language in paragraph 7 contribute to the ov…
D. It shows that Zauner's grief is overwhelming.
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the table shows the ages and weights of babies at a hospital. newborn c…
B. positive
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#4 at her new part - time job, emma notices that her coworker, kenji, r…
A. People often interpret behaviors through their own cultural background, which can lead to misunderstandings.
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darius is studying the relationship between mathematics and art. he ask…
y = 1.518x + 0.995
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a deli has 5 open bottles of the same mustard. the graph shows how much…
$1\frac{1}{5}$ cups
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the ____________ of masks increased greatly during the covid - 19 pande…
D. Production
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the graph and table shows the relationship between y, the number of wor…
3000
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rob is investigating the effects of font size on the number of words th…
y = - 41x + 814
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which table shows a negative correlation? | x | 2 | 5 | 6 | 7 | 10 | 12…
La última tabla (donde $x = 2,5,6,7,10,12$ y $y = 4,2, - 4, - 3, - 11, - 12$)
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teddy is preparing to sell some wooden blocks at a garage sale. before …
20
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one important source of information we will study in world history are …
D. Narratives
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the most dangerous game part a: read the short story the most dangerous…
1. The setting (isolated island) sets a suspenseful and ominous tone. 2. Rainsford sees hunting as sport, Whitney has empathy; contrast is the literary device. 3. Through mysterio…
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fall 2022 exam 1 chapters 1,4,5,6,7,8,13 table 5 - 2 | price | quantity…
b. 0.9
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devin recorded the number of hours he played a video game, x, and the l…
$3.0$
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suppose a random variable, x, arises from a binomial experiment. suppos…
0: 0.015252 1: 0.087203 2: 0.214022 3: 0.291734 4: 0.242719 5: 0.117271 6: 0.032711 7: 0.003737
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the regression calculator shows the relationship between the hours devi…
5
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3. how does the descriptive language in paragraph 2 contribute to the o…
D. It emphasizes the author’s sentimental feelings toward the place where she grew up.
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national unity as an end which officials may foster by persuasion and e…
Annotation: No words directly cited from another legal document are visible in the provided text. Interpretation: The goal of national unity that officials may seek to promote by …
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1 i never see asters without remembering her—never the haze of their pi…
There is no question provided in the text. Please clarify what the question is, such as asking for a summary, an inference - based answer, or something else related to this text.
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each person in a community was asked, \what is your favorite type of pe…
(a) Cat (b) 30 (c) 15%
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1. i never see asters without remembering her—never the haze of their p…
There is no question provided in the text. Please clarify your question such as asking for a summary, analysis of a particular aspect, or answering the multiple - choice question …
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1. i never see asters without remembering her—never the haze of their p…
There is no question clearly stated in the provided text. Please clarify your question such as asking for a summary, analysis of a character, or something specific about the passa…
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an even better process 56 volunteers: 28 in group a: carrot alpha follo…
Yes, there are potential problems such as unclear randomization process, lack of blinding, and possible non - random number source.
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in a recent phone survey, people were asked to state their favorite typ…
(a) News (b) 30 (c) 5%
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1 i never see asters without remembering her—never the haze of their pi…
There is no question provided in the image. Please clarify what the specific question is regarding this text (e.g., a comprehension - based question, a grammar - related question,…
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question 13 several economics students are unprepared for a surprise tr…
\(\mu = 10.0\) \(\sigma\approx2.24\) usual values = \([6,14]\) no, it would not be unusual
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read this second excerpt from churchills spe based on the text, what ca…
A. Group of spies
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the weights (to the nearest five pounds) of 36 randomly selected male c…
Without specific values from the histogram for mid - points and frequencies, we cannot provide a numerical answer. If we had the values, we would follow the above steps to calcula…
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in one common system for finding a grade - point average, or gpa, a = 4…
$2.77$
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score on last try: 0.3 of 1 pts. see details for more. at least one sco…
$\sigma\approx11.66$ usual values = $[149,196]$
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jordan is mixing water and flour to make tortillas. the equation $w = \…
For every 1 cup of flour, $\frac{3}{4}$ cup of water is needed.
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56 volunteers: 28 in group a: carrot alpha followed by carrot beta 28 i…
Ignore the second occurrence of 12 and continue generating non - repeated numbers between 1 and 56 for assignment.
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read the selection and choose the best answer to each question. in this…
It shows Reverdy's appreciation of attention.
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read the selection and choose the best answer to each question. in this…
Clare is pained by the memory of her sister.
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dividing up the groups 56 volunteers: 28 in group a: carrot alpha follo…
Ignore the 76 and put student 12 in the first group.
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why randomize? 56 volunteers: 28 in group a: carrot alpha followed by c…
A. Break them into pairs and look for numbers from 01 to 56.
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assume that a procedure yields a binomial distribution with n = 821 tri…
$\mu = 172.4$ $\sigma\approx11.67$ usual values = $[149,196]$
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use the display of data items to find the mean, median, mode, and mid -…
59.8
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choose the correct answer. which button can be used to find other words…
A. Thesaurus
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ic 25 - 26 american literature 1 make it new!: early modernism excerpt …
She does not trust Mr. Brympton.
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a citys temperature at various times on a given day is shown in the gra…
2.5 degrees F per hour. The temperature increased an average of 2.5 degrees per hour.
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choose the correct answer. excel does not provide a thesaurus tool, wit…
A. False
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question 5 of 20 in which country does nodding the head up and down mea…
A. Bulgaria
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a study was conducted to determine whether there were significant diffe…
1. Probability that at least 10 graduated: $0.8234$ 2. Probability that exactly 8 graduated: $0.0407$ 3. Is it unusual to get exactly 8? yes, it is unusual 4. Probability that at …
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round answers to 4 decimal places. if 11 of the students from the speci…
1. For the probability that at least 10 of 11 students graduated: 0.3222 2. For the probability that exactly 8 of 11 students graduated: 0.2128 3. For whether it is unusual to get…
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which measure of central tendency is the best choice for this data set?…
A. Median
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round your answers to the nearest two decimal places learning target 4.…
300
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18. a set of data was used to create a linear, quadratic, and an expone…
A. \(y = 1.74x-3.82\) ### 19.
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the table below shows the educational attainment of a countys populatio…
$\frac{43}{170}$
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multiple - choice questions each have 3 possible answers, one of which …
$P(WWWC)\approx0.0988$ $P(\text{exactly one correct answer})\approx0.3951$
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the table shows the number, expressed in millions, of citizens who move…
$0.62$
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what is the probability of getting exactly one correct answer when 4 gu…
$0.2500$
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the table shows the distribution, by age and gender, of the 27.4 millio…
0.12
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what is understatement? describing something as smaller or less signifi…
describing something as smaller or less significant than it actually is
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what is perspective? verbal irony employed to mock, ridicule, or critic…
how an author views the events, places, and people in a story based on their personal beliefs and experiences
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rita is starting a running program. the table shows the total number of…
\(y = 1.6712x+4.6988\)
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what is irony? in a work of fiction or drama, a contrast between a char…
All of the above descriptions are correct about irony.
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what is understatement? the use of language that states the opposite of…
describing something as smaller or less significant than it actually is
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story elements quick check what is one way that a reader can uncover an…
By looking at how the author develops the characters and setting.
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carlys crackers surveyed customers to find out who was eating their cra…
15 years
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what is dramatic irony? a situation whose outcome is different from wha…
in a work of fiction or drama, a contrast between a character's expectations and the audience's or reader's knowledge
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3. draw a circle graph for the following: favorite food frequency perce…
The circle graph is drawn with sectors having degrees and percentages as calculated above for each favorite - food category.
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what is situational irony? a literary technique that shows a contrast b…
a literary technique that shows a contrast between what is expected and what actually happens, or between the way things seem to be in contrast to the way they really are; a situa…
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what is dramatic irony? in a work of fiction or drama, a contrast betwe…
in a work of fiction or drama, a contrast between a character's expectations and the audience's or reader's knowledge
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select the outlier in the data set. 15 20 36 21 32 18 31 93 50 33 if th…
The outlier is 93. If the outlier were removed from the data set, the mean would decrease.
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what is understatement? the use of language that states the opposite of…
describing something as smaller or less significant than it actually is
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what is situational irony? in a work of fiction or drama, a contrast be…
a situation whose outcome is different from what would normally be expected a literary technique that shows a contrast between what is expected and what actually happens, or betwe…
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c) explain why this is a binomial experiment. check all that apply. p =…
Whether or not one randomly selected person is left - handed does not affect whether or not another randomly selected person is left - handed; There are only two outcomes for each…