Statistiques
Analyse de données, distributions de probabilités et tests d'hypothèses.
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drawing conclusions about a character lady bracknell. with a shiver, cr…
She believes strongly in the importance of rules.
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here are the shopping times (in minutes) for each of sixteen shoppers a…
| Shopping times (in minutes) | Frequency | | ---- | ---- | | 16 to 19 | 1 | | 20 to 23 | 4 | | 24 to 27 | 3 | | 28 to 31 | 3 | | 32 to 35 | 5 | For part (b), to construct the his…
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tricia and martin are having consensual sex. what does this most likely…
They are both willing participants in the act.
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read the poem. in the ice cream shop of my dreams, i stood, where sugar…
It creates a tone of playful delight.
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jasmine has been a victim of domestic violence. what does this most lik…
Her boyfriend has tried to hurt her.
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fifteen cyclists were each asked the number of miles they biked last we…
| Number of miles | Frequency | | ---- | ---- | | 1 to 5 | 4 | | 6 to 10 | 4 | | 11 to 15 | 4 | | 16 to 20 | 3 | For part (b), to construct the histogram: - Draw a bar for the int…
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in 1928, scottish scientist alexander fleming was surprised when he aft…
a small container for holding liquid
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four family members are living in a home together, and one of them is a…
A. the oldest brother, Mark, who is 22 years old
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answer these questions to write an algebraic expression for the car was…
B. Twice means "multiply by 2." D. More than means "add."
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here are the hottest recorded temperatures (in °f) for each of eighteen…
| Temperatures (in °F) | Frequency | |----|----| | 95 to 100 | 4 | | 101 to 106 | 3 | | 107 to 112 | 4 | | 113 to 118 | 6 | For the histogram, you would draw bars with heights cor…
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5. in meads play stage, children begin to: (1 point) a) imitate the act…
5. a) Imitate the actions of those around them without understanding meaning 6. d) Consider the roles and expectations of several others simultaneously
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a1 lesson 2.2 homework 1. a point has a positive x -coordinate and a ne…
Fourth quadrant ### 2.
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hitler made each insignificant, poverty - stricken, jobless youth of th…
"They would capture the government... then reconquer Germany's lost land."
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5. as used in paragraph 1, the word \acclaimed\ most nearly means: a. a…
B. renowned
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each year, forbes magazine compiles a list of the 400 richest americans…
$41.0$
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how did people during the zhou dynasty perceive natural disasters such …
They believed it indicated the rulers were not following the Mandate of Heaven.
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ms. clark gave her students a biology test last week. here are the test…
| Test scores | Frequency | |--|--| | 72 to 75 | 3 | | 76 to 79 | 4 | | 80 to 83 | 4 | | 84 to 87 | 3 | | 88 to 91 | 2 | For part (b), to construct the histogram: - For the interv…
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question 15 which sentence best demonstrates the meaning of \timeless\?…
The classic novel's themes remain relevant today
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each year, forbes magazine compiles a list of the 400 richest americans…
(Insufficient data to provide a numerical answer. If the data values in the table were provided, we could calculate the sample standard deviation following the above steps and rou…
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each year, forbes magazine compiles a list of the 400 richest americans…
$41.0$
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in states with automatic voter registration, voters are automatically r…
The second paragraph explains in greater detail the process that is referred to in the third.
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a study recorded the time it took for a sample of seven different speci…
3.10
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what is the correlation coefficient of the linear fit of data shown bel…
D. 0.95
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laurie is experiencing the \fight - or - flight\ response. what does th…
She is stressed out about a presentation.
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a study recorded the time it took for a sample of seven different speci…
Range = 8 days, Sample standard deviation \(\approx3.1\) days
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why is the standard deviation preferable to the range as a measure of v…
C. The standard deviation is preferable to the range as a measure of variation because the standard deviation takes into account all of the observations, whereas the range conside…
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select the phrase in this excerpt that provides a context clue about th…
unused space
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explain the purpose of a measure of variation. choose the correct answe…
D. The purpose of a measure of variation is to show the amount of variation or spread in a data set, and to capture the degree to which observations differ among themselves.
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in 2000, for a certain region, 45.9% of incoming college freshman chara…
a. C. The mode is liberal. b. C. Since the data is qualitative, neither the mean nor the median can be used as a measure of center.
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in 2000, for a certain region, 45.9% of incoming college freshman chara…
a. C. The mode is liberal. b. It would not be appropriate to use either the mean or the median as a measure of center. The data is categorical (political views), and the mean requ…
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from wikipedia, the ages of seven of the nine justices of the u.s. supr…
$64.6$
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from wikipedia, the ages of seven of the nine justices of the u.s. supr…
452
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work hours for college faculty the average full - time faculty member i…
$0.15\%$
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stats lesson 2.5 homework name emmalynne here. 1. for a standardized no…
$0.2119$ #### b.
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from wikipedia, the ages of seven of the nine justices of the u.s. supr…
7
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julio has two bags of gummy candies. one at a time, he randomly pulled …
First, find the total number of candies in the first bag: \(8 + 5+7=20\). The probability of selecting a strawberry - flavored candy from the first bag is \(\frac{7}{20}\). Next, …
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i think other people may say i can dress and that im funny and chill. t…
Single - stories are one - sided narratives. They are dangerous because they create stereotypes. Adichie uses anecdotes to convey this danger. Wainaina's essay shows the danger by…
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in the organization of work (1839), french socialist, politician, and h…
By saying the opposite of what he means, Blanc highlights the evils of the current system.
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an article reported on a long - term study of the effects of hurricanes…
$101.5$
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no development without change, and that to be afraid of what is differe…
Roosevelt argues that speaking honestly about frivolous popular art is important to establishing standards of quality in modern art.
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8. the weights of male vizslas (a dog breed) aged two years and older a…
8. B. Mean: 27 kg Standard Deviation: 4.75 kg 9. B. Since the mean and standard deviation are nearly the same and the minimum number of home runs hit per player is zero, the distr…
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consider these sample data: $x_1 = 10,x_2 = 8,x_3 = 3,x_4 = 15$. a. fin…
a. $n = 4$ b. $\sum_{i}x_i=36$ c. $\bar{x}=9$
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2a determine the best measure of center and measure of variability to u…
2a: mean and standard deviation 2b: median and interquartile range Which set has the greatest measure of center? 2b (bottom) Which set has the greatest measure of variability? 2a …
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7. which value is the best estimate for the standard deviation of the n…
B. 2
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consider these sample data: x_1 = 10, x_2 = 8, x_3 = 3, x_4 = 15. a. fi…
a. $n = 4$ b. $\sum x_i=36$ c. $\bar{x}=9$
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read the excerpt from act i of the importance of being earnest. algerno…
It causes the reader to think about how doing nothing should be easy, but in fact can be quite hard.
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a board of governors publishes information on family net worth. in 2010…
A. The median because it is not strongly affected by the relatively few families with extremely high net worth.
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in a freshman high school class of 80 students, 22 students take consum…
Let \(A\) be the event that a student takes Consumer - Education and \(B\) be the event that a student takes French. We know \(n = 80\), \(n(A)=20\), \(n(B) = 22\), \(n(A\cap B)=4…
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consider the data set 10,11,12,13,14,15,16,17,18. complete parts (a) th…
a. Mean: 14, Median: 14 b. Mean: 24, Median: 14 A. The median works better here since it is more typical of most of the data.
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in a poll, students were asked to choose which of six colors was their …
1275
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statistics constructing a frequency distribution for grouped data here …
| Temperature (in °F) | Frequency | | ---- | ---- | | 103 to 107 | 4 | | 108 to 112 | 2 | | 113 to 117 | 2 |
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here are the shopping times (in minutes) of nine shoppers at a local gr…
| Shopping time (in minutes) | Frequency | | ---- | ---- | | 15 to 20 | 4 | | 21 to 26 | 1 | | 27 to 32 | 3 |
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explain in detail the purpose of a measure of center. choose the correc…
A. The purpose of a measure of center is to indicate where the center or most typical value of a data set lies.
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10. supermarket the number of items that eight customers bought at a su…
The x - axis represents the number of items bought at the supermarket with a scale of 1 unit per grid. The y - axis represents the total cost of the items in dollars with a scale …
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ten cyclists were each asked the distance in miles they biked last week…
| Distance in miles | Frequency | | ---- | ---- | | 1 to 5 | 1 | | 6 to 10 | 3 | | 11 to 15 | 4 | | 16 to 20 | 2 |
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6. the eastern white pine tree is native to the state of michigan. a fo…
a. Approximately 68% of the values are within 1 standard deviation of the mean, approximately 95% are within 2 standard deviations of the mean, and approximately 99.7% are within …
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mrs. wood took 13 students on a field trip to the zoo. the students wer…
The bar - graph should have a bar of height 1 above "lion", a bar of height 6 above "giraffe", a bar of height 5 above "tiger" and a bar of height 1 above "elephant".
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8. use tools the following ordered pairs give the length in feet and th…
The data points (5.5, 4.5), (3, 0.5), (3, 2), (8, 4.5), (2, 0.5) are plotted on a coordinate - plane with x - axis as length in feet and y - axis as weight in pounds.
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review of essential skills and problem solving interpreting a tally tab…
15
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jane asked her classmates to choose their favorite fruit. she ended up …
13
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number of strokes number of golfers 1 0 2 4 3 14 4 10 5 4 6 2 how many …
16
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the following dot plot shows hanks lacrosse scoring in each season. eac…
43
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in a recent study in london, it was found the systolic blood pressure o…
a. Mean: 117; 1 standard deviation above mean: 132, 1 standard deviation below mean: 102; 2 standard deviations above mean: 147, 2 standard deviations below mean: 87; 3 standard d…
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the following frequency table shows the number of juis pictures that ha…
6
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the following frequency table shows the number of cavities each of dr. …
0
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the word \demarcate\ means to: create confusion eliminate differences s…
C. Set or mark boundaries
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question 44 read the following lines from the poem. choose the word clo…
For the first question (not enough context to be definite, but assuming based on "deck"): a sailboat For the second question: C. defeated For the third question (since it's asking…
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the following data points represent the number of jars of honey sandy t…
A dot - plot with 1 dot above 0, 1 dot above 1, 2 dots above 2, 2 dots above 3 and 1 dot above 4.
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u.s. government and politics name: maya morales date: use this study gu…
suffrage: The right to vote in public elections. Twenty - Fourth Amendment: Prohibits conditioning the right to vote in federal elections on payment of a poll tax or other taxes. …
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from the pillar of light one of the last to claim her attention was the…
Intended meaning or significance
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at a schools open house, t - shirts and sweatshirts were sold. each ite…
(a) \(0.5\) (b) \(0.3\) (c) \(0.6\)
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3. a final exam for a college algebra class had 60 questions. for all t…
3. It is not reasonable to assume the distribution is approximately normal because the upper - limit of the 3 - standard - deviation range (90) is outside the possible range of sc…
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why did philip johnston suggest using the navajo language to encode mes…
1. He knew that few people besides the Navajo could understand the language. 2. difficulties
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in paragraph 1, what does the author mean when he says, \the warning si…
For the first question: Small events often lead to a larger conflict For the second question: explain why code talkers were important
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karen has a bag with 8 balls numbered 1 through 8. she is playing a gam…
(a) - 0.75 (b) Karen can expect to lose money. She can expect to lose 0.75 dollars per selection.
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6. “a house divided against itself cannot stand. i believe this governm…
6. B. sectional differences threatened to destroy the union. 7. C. deciding the legalization of slavery in a new state. 8. A. the industrialization of the northeast U.S.
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checkpoint: connecting ideas, events, and people listen read the senten…
D. area of expertise
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read the following sentence. my best friend lives in a real dump. which…
1. Describing a place as a dump indicates that it has a big mess. 2. to tell of events that led up to the present events
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what is the meaning of the word ethereal as used in the sentence below …
1. C. of or relating to heavenly things 2. He remains obsessed with money throughout the story
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(c) mean = 96, median = 94.8, standard deviation = 3 the coefficient of…
The coefficient of skewness is $1.2$. The distribution is right - skewed.
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he made an allusion to lil wayne without saying his name. in this sente…
1. B. a reference 2. A. not symmetrical
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1. choose the correct sequence of events for the sentences in the parag…
1. Last night a powerful thunderstorm rolled through our town. From my window, I watched bright lightning bolts streak across the sky. After each lightning flash, the thunder boom…
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(c) mean = 18.2, median = 18.3, standard deviation = 1 the coefficient …
The coefficient of skewness is $- 0.3$. This distribution is negatively skewed.
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started sep 12 at 1:36pm quiz instructions review word of the day weeks…
C. A dump is a place where trash is stored or recycled.
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here is a table showing all 52 cards in a standard deck. suppose one ca…
(a) $\frac{1}{4}$ (b) $\frac{1}{13}$ (c) $\frac{4}{13}$
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(b) mean = 37, median = 40, standard deviation = 4 the coefficient of s…
The coefficient of skewness is $-2.25$. This distribution is negatively skewed.
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a retail shop accepts only cash or checks. suppose that 46% of its cust…
$0.24$
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quiz 1 google classroom microsoft teams volume of water hurley drank ea…
31
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pearson coefficient of skewness a measure to determine the skewness of …
The coefficient of skewness is $0$. The distribution is symmetric.
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on the morning of december 23, 2008, drivers in suburban maryland were …
A. by including statistics about pipes breaking and sewers leaking
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farm sizes the average farm in the united states in a certain year cont…
92%
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man whose gift lay in new directions should measure up or down to stere…
Anytime people engage in progressive change, there are bound to be individuals who take things too far.
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question 16 what is the function of the underlined word in the sentence…
It is a transitional phrase of time and sequence to explain order or chronology to the reader
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a club with 55 college students is doing volunteer work this semester. …
$0.438$
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1. for each of the following scenarios, predict the shape of the densit…
a. Approximately normal. Reason: Heights of adult males cluster around the average with similar numbers of values on either side of the average. b. Uniform. Reason: Each number be…
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question 5 once, as an owner, you know that the cat is not just making …
making senseless noises
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the following frequency table shows the number of fish caught by each o…
4
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9. a local business reports that the standard deviation of all the payc…
B. \(1.12(153.47)\)
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in the dawes act of 1887, what did native americans have to do to be gr…
"Adopt the practices of civilized life" - which in effect meant assimilate to white culture
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ladder lesson objective 2 directions: complete the examples with the te…
Slope: $0.15$, meaning cost per mile driven is $0.15$ dollars. Y - intercept: $25$, meaning flat - fee of $25$ dollars when no miles are driven. ### Example 2