Statistiques
Analyse de données, distributions de probabilités et tests d'hypothèses.
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question 23 according to chebyshevs rule, what percentage of data value…
C. At least 75% of values
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in late august of last year, pie dee restaurant sponsored its first piz…
(a) The class - width is 5. (b) Sum the frequencies of the 6 - 10, 11 - 15, and 16 - 20 classes to get the number of contestants who ate 20 or fewer slices. (c) The frequency of t…
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which term is defined as the number of people per unit of area? populat…
population density
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many rivers in africa are severely affected by seasonal flooding. addit…
why rivers have not been as useful for transportation
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question 19 if the probability of success in a binomial experiment is 0…
B. 0.488
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changes in the population pyramid 1950 2007 2050 (projections) source: …
Japan has a decreasing population
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question 10 1 point if event a happens with a probability of 0.4 and ev…
C. 0.9
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example 5. bob had an average score of 86 for the four tests he took du…
$58.8^{\circ}$ ### 2.
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all normal distributions have the same standard deviation. a true b fal…
B. False
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question 8 (1 point) banks charge a fee to you if you over - draft your…
Question 8: True Question 9: True Question 10: 1. d 2. d 3. d 4. c 5. e 6. a 7. a 8. b 9. c 10. b
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12. contest a radio station has $400 to give away for a contest. it giv…
The y - intercept is 400 (starting amount of money for the contest) and the x - intercept is 8 (number of weeks until all the money is given away).
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multiple choice 1 point 5 unequal distribution of resources often leads…
C. Interdependence of nations
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7. the article states: more than 50 years after astronauts last voyaged…
7. D. to the moon 8. A. Landing people on Mars will be NASA's greatest accomplishment of the century.
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if a system of linear equations has no solutions, what does this mean a…
Parallel lines
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journalists try to use shorter or simpler words in their news stories w…
The mean number of letters per word = 33.83 The median number of letters per word = 24 The outlier = 89
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calculating mean, median, and outlier journalists try to use shorter or…
The mean number of letters per word = 39.5 The median number of letters per word = 24 The outlier = There is no outlier
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if a system of linear equations has infinitely many solutions, what doe…
Same line
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mariela earned the following test scores in math: 95, 90, 100, 85, 80. …
The mean was impacted by the error more than the median. After the error, the mean was 75 and the median was 87.5.
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derrick needs to figure out how hes doing on his test scores so far thi…
Derrick's mean test score so far is 74.4. Derrick's median test score so far is 81.5. The median gives a better picture of his scores.
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consider the data set 11, 3, 8, 2, 9, 1, 4. jennifer said the median of…
I do not agree with her. The median of the data - set is 4, not 2. The median is the middle value when the data is arranged in ascending order. Since there are 7 values, the middl…
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unit #1 basic mathematics (2017) example 10. divide 5/18 by 5/9, which …
$1\frac{27}{40}$ 2.
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luke was asked to find the median of the following numbers: 16, 24, 12,…
He forgot to put the numbers in order first.
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which sets contain one or more outliers? check all that apply. 187, 298…
The sets \(187,298,239,1984,202,191\), \(56,1,5,72,67,59,74,60\), \(88,7,32,31,34,39,34,35,33\) contain one or more outliers.
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which statements are true about the median? check all that apply. put t…
The median is the number in the middle of an ordered set of values. The median must be calculated by finding the mean of the two middle points when there is an even number of data…
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yuri adds all of the values in his data - set and then divides by the n…
D. the mean
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members of a junior high basketball team want to brag about how tall th…
Median
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now translate these from spanish to english. 9. ¿estás tú enojado? = 10…
9. Are you angry? 10. They (feminine) are tired. 11. We are confused. 12. You all (Spain) are happy. 13. I am here. 14. She is happy. 15. He is sad. 16. You are fine. 17. My mom i…
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if you spin the spinner 8 times, what is the best prediction possible f…
0
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development of a key event (infotext) mastery check english read the pa…
A. The players must be strong swimmers.
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match each set of values to its correct number of outliers. 185, 198, 3…
Set 1: Contains one outlier Set 2: Contains one outlier Set 3: Contains no outliers Set 4: Contains two outliers
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highlight the phrase that best shows the main point of underwater hocke…
Two teams compete to move a weighted puck across the bottom of a swimming pool into the other team's goal.
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match each set of values to its correct number of outliers. 48, 47, 34,…
Set 1: Contains one outlier Set 2: Contains one outlier Set 3: Contains no outliers Set 4: Contains two outliers
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you want to teach a friend how to find the median when an even number o…
1. Put the numbers in order. 2. Cross off low/high pairs. 3. Add the leftover numbers. 4. Divide the sum by 2.
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match each data set to the its histogram. 1) 4, 10, 17, 35, 26, 35, 38,…
1. C 2. A 3. F 4. D 5. G 6. J 7. H 8. I 9. B 10. E
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read the passage. then answer the question. underwater hockey in the 19…
C. Underwater hockey players must be strong swimmers and strong divers.
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finding the median match each set of values to its correct median. 7, 2…
7, 25, 3, 6, 2 -> 6 6, 3, 0, 2, 3, 4, 3 -> 3 7, 6, 1, 0, 3, 6, 4, 5, 9, 2, 7 -> 5 1, 2, 3 -> 2 0, 2, 3, 4, 4, 6, 7 -> 4
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close equivalent) of the words and meanings expressed by an immigrant a…
flexible and skilled friendly and brave
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match each characteristic of utopia with the situation in europe that m…
government based on logic and reason - response to greed, self - interest, and unequal distribution of wealth imaginary land located in a far - off place - response to exploration…
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tayesha wants to find more information about a career in architecture. …
She should use the US Bureau of Labor Statistics website since it will cover a wide range of information about the careers around the United States.
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1. what does shakespeare show by having romeo and juliet create a sonne…
The two lovers are meant to be.
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4. muckraker who published a photographic book about the living conditi…
1. Nativism 2. Language barriers, discrimination, poor living and working conditions, cultural differences
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question 5 of 10 which of the following words or phrases is closest in …
A. Siempre
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question 4 of 10 ¿cómo se dice \its noon\ en español? a. es la tarde. b…
D. Es mediodía
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the median home value in north dakota and nevada (adjusted for inflatio…
1927
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99. i work out a lot are people influenced by what others say? michael …
$0.47$
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97. kissing the right way according to a newspaper article, “most peopl…
(a) The graph shows different numbers of couples tilting right in 100 simulated SRSs, demonstrating that sample - statistics vary from sample to sample. (b) Yes, there is convinci…
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question 9 of 10 which of the words below means the opposite of a la de…
A. A la izquierda
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6. name all three regions label the three colonial geographical regions…
6. New England Colonies, Middle Colonies, Southern Colonies 7. Frustration with governor's policies on Native - American relations and lack of frontier opportunities 8. Criticism …
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question 5 of 10 which of the following words means the opposite of con…
A. Sin
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is this graph misleading?
No clear - cut indication from the given text to determine if it's misleading. More context about what the bars represent, axis labels etc. is needed. But based on the visual alon…
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a group of students were surveyed about pet ownership. given the data g…
Discipline: Mathematics Sub - field: Others Left (Dogs only): 9 Intersection: 3 Right (Cats only): 5
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the approximate line of best fit for the given data points, y = -2x - 2…
-2
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find the residual values, and use the graphing calculator tool to make …
| \(x\) | Given | Predicted | Residual | | ---- | ---- | ---- | ---- | | 1 | -2.7 | -2.84 | 0.14 | | 2 | -0.9 | -0.81 | -0.09 | | 3 | 1.1 | 1.22 | -0.12 | | 4 | 3.2 | 3.25 | -0.05…
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question 5 of 5 which of the following quantities are discrete? i. the …
D. I and IV
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in \mending wall,\ what is the figurative meaning of the speaker saying…
The neighbor will not break from tradition and the conventional wisdom that has been passed down to him.
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french 1 / french 1h le blog dadama cognates: words that look like and …
French: blog English: blog
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interpret the least squares regression line of this data set. every sum…
1.571
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question 4 of 10 michael solved this inequality as shown: step 1: -6(x …
D. addition property of inequality
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find the equation for the least squares regression line of the data des…
# Explicación: ## Paso 1: Calcular sumatorias Sean $x_i$ el número de veces que un participante participó previamente y $y_i$ el número de saltamontes capturados. Tenemos $n = 6$ …
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eduardo is indignant that his favorite author takes too long to write n…
# Explicación: ## Paso 1: Sustituir el valor de x Dado la ecuación de la línea de regresión $y = 0.204x+10.041$ y $x = 10$. Sustituimos $x$ en la ecuación: $y=0.204\times10 + 10.0…
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interpret the least squares regression line of this data set. eduardo i…
0.204
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find the equation for the least squares regression line of the data des…
# Explicación: ## Paso 1: Calcular sumas necesarias Sean $n = 5$, $x_i$ los valores de años y $y_i$ los valores de novelas. Calculamos $\sum_{i = 1}^{n}x_i=9 + 20+22 + 22+34=107$,…
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name:______ date:______ chapter 14 jane goodall 1. what is the main ide…
1. A. Jane Goodall is a scientist whose discoveries about primates changed the way that people thought about them, and who fights for animal rights today. 2. A. She began studying…
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multiple - choice question a theocracy or a theocratic society is one w…
Ministers ruled the towns in God's name
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multiple - choice question what is an allegory? an expression designed …
B. a story, poem, or picture that can be interpreted to reveal a hidden meaning, typically a moral or political one
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select the best evidence to support the statement that the narrators pa…
The broker sent my parents a list of the top ten schools nationwide (based on the opinion of selected educators and others) and so... we nestle into a Dutch colonial on the Bronx …
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interpret the least squares regression line of this data set. ezra is a…
# Explicación: ## Paso 1: Identificar la pendiente de la línea de regresión La ecuación de la línea de regresión es $y = - 4.539x+78.292$, donde la pendiente es $m=-4.539$. ## Pas…
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archaeologists and art historians work to preserve and reconstruct impo…
1. There is no clear - cut answer. It depends on values placed on wide access and the authenticity of the original setting. 2. It is often better to preserve in a museum to ensure…
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which excerpt from \lather and nothing else.\ is the best example of fa…
The lather was drying on his face. I must hurry. Through the mirror, I took a look at the street.
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1) the values 6, 8, 12, and 14 have an average of 10. what is the avera…
1. 3 2. 6 3. 3.2
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why is the image of the setting sun most likely not described in great …
It is a common symbol of death that requires little description.
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1. which scatter plot(s) could be modelled using a curve instead of a l…
1. b) pourrait être modélisé par une courbe car les points ne suivent pas une tendance linéaire. 2. La relation est non - linéaire car la courbe de meilleure adéquation n'est pas …
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what does the term embargo mean? example from the text: the japanese go…
A ban on the trade of a commodity
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what does the term culmination mean? example from the text: the attack …
the climax or pinnacle
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each letter of the alphabet is written on a piece of paper and put in a…
The number of favorable outcomes is 5. The number of possible outcomes is 26. So $P(\text{vowel})=\frac{5}{26}$, or about 19.23 percent.
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part 1: essay prompt directions: read the essay prompt prompt write an …
One possible approach to this essay could start by defining what coming of age means in a general sense, perhaps drawing on common cultural or literary understandings. Then, speci…
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read the paragraph. carefully maneuvering his skateboard through the ne…
Gino will be surprised by his friends’ plans.
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the hawaiian language has 12 letters, five vowels and seven consonants.…
$\frac{25}{144}$
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which scenario depicts two independent events? the school play opens to…
The school play opens tonight and it is raining.
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the fictional college aptitude test (cat) has scores that are normally …
a. $0.8199$ b. $1134$ c. $0.9678$
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a bag contains eleven equally sized marbles, which are numbered. two ma…
$\frac{24}{121}$
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a bag contains eleven equally sized marbles, which are numbered. two ma…
# Explanation: ## Step1: Calculate probability of first - marble There are 5 shaded marbles out of 11 marbles. So the probability of choosing a shaded marble first, $P(\text{shade…
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an amusement park reports that the probability of a visitor riding its …
$P(\text{largest or smallest}) = 0.30 + 0.20-0.15$
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a bicycle manufacturer is studying the reliability of one of its models…
3 percent
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all freshmen, sophomores, juniors, and seniors attended a high school a…
$\frac{11}{320}$
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students in a class were surveyed about the number of children in their…
$\frac{1}{50}$
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find the equation for the least squares regression line of the data des…
# Explicación: ## Paso 1: Calcular sumatorias Sean $x_i$ el número de seguidores (en millones) y $y_i$ el número de horas. Tenemos $n = 5$ datos. $\sum_{i = 1}^{n}x_i=2.4 + 3.1+5.…
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interpret the least squares regression line of this data set. isabella …
1.841
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select the quotation from the story that most strongly suggests that th…
"I had an important presentation at work that morning, but I was late to my meeting because I needed to change clothes," his mom said.
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find the equation for the least - squares regression line of the data d…
$y = 1.841x-13.474$
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read the following story. the prank asher and his mom were always jokin…
Just because you find something funny doesn't mean others will.
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alberto is designing a container in the shape of a rectangular prism to…
The function for the volume is $V(x)=-2x^{3}-5x^{2}+150x$. The $x$-intercepts $x = 0$ and $x = 7.5$ represent the heights that result in a container with zero volume. The dimensio…
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playing video games makes garrett so happy that he thinks it even helps…
41.983
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alberta is designing a container in the shape of a rectangular prism to…
The function for the volume is $V(x)=-2x^{3}-5x^{2}+150x$. The $x$-intercepts $0$ and $7.5$ represent the heights that result in a container with zero volume. The container has a …
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remembering that the latin prefix dis means not, use your knowledge of …
To give a false appearance; to hide one's true feelings, intentions, or nature.
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sample response:no. choosing two dimes are dependent events. the probab…
The events are dependent. The size of the original sample space is 8. It changes to 7 after the first dime is chosen. The probability of picking the first dime is 2/8. The probabi…
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read the following story. the lead role travis had always loved singing…
Be honest, even when it doesn't benefit you.
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interpret the least squares regression line of this data set. playing v…
# Explicación: ## Paso 1: Identificar la ecuación de la recta de regresión La ecuación de la recta de regresión es $y = - 0.279x+53.143$, que sigue la forma $y = mx + b$, donde $m…
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michael has 3 quarters, 2 dimes, and 3 nickels in his pocket. he random…
No, he is not correct. The probability of drawing two dimes is $\frac{1}{28}$, not $\frac{1}{4}$.
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mr. garcia has 15 boys and 10 girls in his math class. he selects two s…
$\frac{3}{20}$