Statistiques
Analyse de données, distributions de probabilités et tests d'hypothèses.
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what is the average of the points a, b and c with weights 1, 4 and 1 re…
\((-4,-\frac{7}{3})\)
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read the excerpt from part one of trifles. county attorney (with the ga…
It characterizes the County Attorney as someone desirous of showing respect to women, even if he does not mean it.
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read the excerpt from part one of trifles. mrs. hale (examining the ski…
B. looking very closely
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use z scores to compare the given values. the tallest living man at one…
Since the z - score for the tallest man is $z = 10.82$ and the z - score for the shortest man is $z=-6.91$, the tallest man had the height that was more extreme.
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2. on a standardized exam, the scores are normally distributed with a m…
$10.56\%$
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kiara enjoys rollerblading on paved trails. this graph shows how long s…
$7\frac{1}{2}$ hours
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4. part b: which quote from the text best supports the answer to part a…
4. Cannot be determined without text and Part A answer 5. Cannot be determined without the relevant text paragraphs 19 - 20 and full - text analysis
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the conditional relative frequency table was generated using data that …
0.57
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suppose z follows the standard normal distribution. use the calculator …
\(c\approx1.86\)
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answer the following. (a) the standard normal curve is graphed below. s…
0.3085
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archie is fed up with waiting in line at his local post office, and pla…
$16.1923$
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the accompanying table describes the random variable x, the numbers of …
c. A. Since the probability of getting 4 or more sleepwalkers is the probability of the given or more extreme result, the result from part (b) is the relevant probability d. D. Ye…
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a data set lists weights (lb) of plastic discarded by households. the h…
b. 1.90 c. 1.90 d. No
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the box plots show the data distributions for the number of customers w…
4
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in an experiment, a die is tossed. are these events mutually exclusive …
B. overlapping
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two histograms showing the number of pets owned by boys and girls in a …
D. interquartile range
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the box plots represent the distributions of typing speeds of students …
The interquartile ranges of the two distributions are the same.
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one spinner has two sections. they are marked a and b. another spinner …
(a) 12 (b) 8 (c) 4
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4. part b: which quote from the text best supports the answer to part a…
4. Cannot be determined without Part A and full - text. 5. Cannot be determined without the content of paragraphs 19 - 20 and full - text analysis.
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heather has a deck of 10 cards numbered 1 through 10. she is playing a …
(a) $0.4$ (b) Heather can expect to gain money. She can expect to win $0.4$ dollars per draw.
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create pairs of opposites with -ful and -less less (=without) - ful (=w…
Useful Helpful Hopeful Thoughtful Careful Meaningful Colourful Powerful Fearful Thankful Harmful Painful Mindful Tasty up left give push north east teach dangerous butter front he…
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event a: rolling an odd number event b: rolling a number less than 5 ev…
$\frac{5}{6}$
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5. the following are the descriptive statistics of the previous histogr…
a. The mean is $\bar{x}=6.26$. On average, the values in the data - set are around 6.26. b. The median is 6. Half of the data values are less than or equal to 6 and half are great…
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a 6 - sided die with faces labeled 1 to 6 will be rolled once. the 6 po…
Event A: Check boxes for 1, 3, 5; Probability \(\frac{3}{6}\) Event B: Check boxes for 1, 2, 3, 4; Probability \(\frac{4}{6}\) Event A and B: Check boxes for 1, 3; Probability \(\…
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a basket is filled with 12 white eggs and 4 brown eggs. half of the whi…
$\frac{3}{8}$
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a city planner surveyed 154 residents. for each, the planner recorded w…
(a) $0.21$ (b) $0.88$
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when zoe wrote her story, her pen was a magic wand, weaving a world of …
Zoe writes creatively and imaginatively.
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a bag contains ten tiles labeled b, c, d, e, f, g, h, i, j, and k. one …
$\frac{4}{5}$
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a university class has 27 students: 13 are history majors, 5 are nursin…
0.028
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a sample of 396 people is selected. the people are classified according…
$0.36$
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ten balls numbered from 1 to 10 are placed in a bag. some are grey and …
(a) $\frac{1}{10}$ (b) $\frac{1}{5}$
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a spinner with 6 equally sized slices is shown below. (2 slices are yel…
$\frac{1}{3}$
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read \quality of life, globalization, and sustainability in dubai\ on p…
3. The statement means over half of Dubai's population is from other countries. It shows Dubai's high globalization as it attracts people globally due to economic and cultural fac…
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here are the numbers of times 10 people ate out last month. 0, 2, 3, 8,…
No mode
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managers of a sports arenas parking garage keep track of the duration o…
(a) 177 (b) 196 (c) 3
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keith is participating in a 4 - day cross - country biking challenge. h…
62
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you spin each spinner and flip a coin. how many outcomes are possible?
36
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unit 3: statistics pre - exam question 25 of 29 (3 points) | question a…
60%
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without discussing their choices, billy and justine pick professions to…
independent
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writing an equation to determine an unknown value in an average markus …
$5(x + 5)=353 + x$
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in a recent survey, 8 people were each asked the number of times they h…
16
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use this table or the aleks calculator to complete the following. give …
(a) 0.1977 (b) 0.7322
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the 14 students from mr. smiths class were asked which type of juice th…
The bar - graph should have bars of heights 1 (apple), 4 (lemonade), 5 (orange), 1 (mango), 3 (pineapple) corresponding to the respective types of juice on the x - axis.
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each possible number of wins. wins frequency 0 0 1 0 2 1 3 1 4 5 5 2 6 …
Minimum: 2, Q1: 4, Median: 8, Q3: 11, Maximum: 13
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joe asked his classmates to choose their favorite flavor. he ended up w…
12
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as preparation for designing a new line of business wear, a clothing ma…
(a) Black (b) 20% (c) 5%
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petroleum pollution in oceans stimulates the growth of certain bacteria…
\(3.32\)
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toms electronics offers four models of cell phones (a, b, c, and d). ye…
(a) A: 5 B: 4 C: 6 D: 5 (b) 14
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the following are distances (in miles) traveled to the workplace by 23 …
The class intervals and their frequencies are: | Class Interval | Frequency | |--|--| | $0.5 - 9.5$ | 6 | | $9.5 - 18.5$ | 4 | | $18.5 - 27.5$ | 6 | | $27.5 - 36.5$ | 3 | | $36.5 …
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how does the length of the third stanza of \the negro speaks of rivers\…
As the longest stanza, it helps show how important it is for the speaker to place himself in a history that happened before him.
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read the last stanza from \the rainy day\ by henry wadsworth longfellow…
what happens to everyone
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melissa recorded the pizza slices she sold at lunch today. complete the…
| Pizza slice orders | Cheese | One topping | Total | | ---- | ---- | ---- | ---- | | Thin crust | 42% | 58% | 100% | | Thick crust | 61% | 39% | 100% |
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the noon temperatures (in fahrenheit) for two cities were recorded over…
(a) City A (b) City B (c) City B (d) City B
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a newspaper article reported that people spend a mean of 6 hours per da…
7.8
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which of the following observed chimpanzee behaviors caused scientists …
C. tool making
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which of the following abnormal - thought processes caused scientists t…
A. incest
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customers waiting at ellerton bank have been complaining about the amou…
(a) Mean (b) Mean (c) Mean (d) Positively skewed
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a race director is preparing for an upcoming marathon and estimates tha…
$59.87\%$
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in a poll, students were asked to choose which of six colors was their …
6045
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2. in the section “a soaked sponge,” friedman writes, “suddenly, the sa…
2. Features that once made Asheville appealing turned into threats during a crisis situation, potentially due to natural disasters or over - development related issues. 3. People …
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a ride - sharing company has computed its mean fare to be $37.00, with …
(a) 24.70, 49.30 (b) 32.90, 41.10
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a ride - sharing company has computed its mean fare to be $37.00, with …
(a) 99.7% (b) 28.80, 45.20
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4 what did the supreme courts decision in plessy v ferguson allow state…
A. The court's "separate but equal" ruling allowed states to create laws that segregated society by race.
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here are the shopping times (in minutes) of ten shoppers at a local gro…
| Shopping time (in minutes) | Frequency | | ---- | ---- | | 18 to 22 | 4 | | 23 to 27 | 1 | | 28 to 32 | 3 | | 33 to 37 | 2 |
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a social media post aims to convey the central idea \there is no happin…
C. Include a heartwarming photo of a person and their pet sharing a moment of happiness, illustrating the joy of pet ownership.
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which foreign policy did president woodrow wilson advance as a means of…
moral diplomacy
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which of the following words means the same thing as being stingy, a ch…
B. parsimony
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youre planning a social media post to share the heartwarming story of a…
A. Narrative
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directions - watch the taxes and smuggling crash course video and answe…
1. The way the taxes were imposed and lack of colonial representation. 2. 1764 3. To refuse to buy, use, or participate in something as a form of protest. 4. John Adams
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4.) what is the meaning of the word rotate? a. day b. bounce c. spin ar…
C. spin around
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theme quick check select the correct answer from the list. (1 point) mo…
C. themes
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find the discriminant and use it to determine the number of x - interce…
Discriminant: $-15$ There are 0 $x$-intercept(s) and there are 0 real solution(s) to the equation $f(x)=0$.
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a bag with 8 marbles has 4 yellow marbles and 4 blue marbles. a marble …
0
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part 1: what would it take for you to be happy for the rest of your lif…
Origins: - Began in India in the 6th - 4th century BCE. - Founder is known as: - Siddhartha Gautama - (a name meaning “Sage of the Shakya Clan”) - The Buddha The Enlightenment of …
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a spinner with 10 equally - sized slices has 2 yellow slices, 4 blue sl…
$\frac{1}{5}$
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a spinner with 12 equally - sized slices has 5 blue slices, 3 red slice…
$\frac{5}{12}$
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a report states that in 2019, frances per capita income was 37,400 euro…
average amount per person
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use the passage to answer the question. the two teams did a pas de deux…
B. an activity involving two parties or things
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i visited st. louis lately, and on my way west, after changing cars at …
The gentleman has a gentle and kind demeanor.
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what is the meaning of the word connotation? (1 point) a word with more…
B. a feeling a word evokes
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which is the best way to revise this sentence to make it clearer withou…
E. Cyberbullied kids experience the same negative effects as those who are bullied in person.
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what is the number one way to determine if you are meant to be an entre…
A. To actually try their idea.
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use linear regression to find a function that fits the following points…
$2x+3$
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12. powers that are not explicitly spelled out in the constitution, but…
12. a. implied 13. c. establishing a system of courts 14. d. entering into treaties with foreign governments 15. b. McCulloch v. Maryland 16. c. Plessy v. Ferguson 17. c. dual fed…
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match the following column a 1. counselors typically use what type of l…
1. c. Empathic 2. a. Discriminative 3. h. Appreciative 4. e. listening 5. d. Passive 6. b. Hearing 7. f. Critical 8. g. Informational
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36. during a particular experiment, 2 events, a and b, can each occur o…
H. \(P(A\ or\ B)\) ### 37.
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12. powers that are not explicitly spelled out in the constitution, but…
12. a. implied 13. c. establishing a system of courts 14. d. entering into treaties with foreign governments 15. b. McCulloch v. Maryland 16. c. Plessy v. Ferguson 17. c. dual fed…
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select the correct answer. read this excerpt from stephen cranes short …
D. low spirits
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what is the value of the discriminant of the quadratic equation -2x^2 =…
The discriminant is equal to 0, which means the equation has one real number solution.
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george gray i have studied many times the marble which was chiseled for…
2. A person reflects on a life lived without enthusiasm or zeal.
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suppose that the frequency table below contains data on male life expec…
75
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rate of change, in °f per minute, from minute 0 to minute 6? round your…
$2$
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excerpt from \pros and cons of later school start time\ (leigh ann morg…
A. parents E. administrators
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taken together, the two images best support which of the following simi…
B. Centralized authority controlled production and distribution of resources
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note that \dasyu\ and \dasa\ were terms that meant roughly \enemy\ or \…
C. Indo - European migration into northern India
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humor is a complicated social phenomenon that is largely based on the r…
- Question 13: A. True - Question 14: A. True
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which was a main reason that the third estate broke off to form the nat…
The voting system meant that the Third Estate was always outvoted by the First and Second Estates.
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all in the days work by ida m. tarbell (1) the older i grew, the more d…
C. Vivid descriptions
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the pleasure of writing by a a milne (excerpt) the pleasure of writing …
C. a detailed description of how to write a novel
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13. the word retained has several meanings. which meaning is most likel…
C. continued to possess