Statistiques
Analyse de données, distributions de probabilités et tests d'hypothèses.
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would a trend line be a good fit for these data? explain. choose the co…
D. The scatter plot shows no association, so a horizontal trend line is a good choice for modeling the data.
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use the probability distribution to complete parts (a) and (b) below. t…
The mean is $1.4$
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complete parts (a) and (b) below. the number of dogs per household in a…
A. A household on average has 0.5 dog with a standard deviation of 0.9 dog.
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determine whether the distribution is a probability distribution. |x|0|…
B. No, because the total probability is not equal to 1.
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describe and correct the error made in describing the association of th…
D. In the table, x decreases from left to right. Data with x values that decrease from left to right on a table show positive association because y is increasing.
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determine whether the distribution is a discrete probability distributi…
B. Yes, because the probabilities sum to 1 and are all between 0 and 1, inclusive.
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6. sasha mows 8 lawns in 4 days. part a when the rate is expressed in l…
Part A: C. 2 Part B: Sasha mows 2 lawns each day.
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pact has the same or almost the same meaning as: definition exhibit acc…
C. accord
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describe the slope of a trend line that models the data in a scatter pl…
In a scatter plot with positive correlation, the slope of the trend line is positive. In a scatter plot with negative correlation, the slope of the trend line is negative.
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can any two of the given data points in a scatter plot be used to write…
C. No. The two points must be on the trend line. These points may or may not be given data points.
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the data given below show the number of overtime hours worked in one we…
B. No, it would not be unusual because the probability is $0.166$, which is greater than 0.05.
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read the following short story and write a theme - based summary. submi…
A patient spotted cat waits for the perfect meal of young, fat birds from a nest but is left disappointed when the nest is empty in the end and laments the birds' supposed ungrate…
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what is situational irony? when what happens is the opposite of what is…
When what happens is the opposite of what is expected
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what is dramatic irony? when the audience knows something the character…
When the audience knows something the character doesn't
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what is verbal irony? when what is said is different than what is meant…
When what is said is different than what is meant
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what does the < sign mean? less than greater than equal to rewatch subm…
less than
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step 3 for part b, state how to find the relative frequencies for the w…
| | Homeowners | Renters | Total | |--|--|--|--| | Cat Owners | $\frac{16}{101}\approx0.158$ | $\frac{19}{101}\approx0.188$ | $\frac{35}{101}\approx0.347$ | | Dog Owners | $\frac{…
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when joel ate his dinner with his fingers instead of a knife and fork, …
a primitive caveman
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in the woods we found a pond, very green and deep, filled with plants a…
B. tadpoles
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in the interior of the table. state the marginal relative frequencies i…
| Homeowners | Renters | Total | |--|--|--| | $\frac{16}{101}\approx0.158$ | $\frac{19}{101}\approx0.188$ | $\frac{35}{101}\approx0.347$ | | $\frac{44}{101}\approx0.436$ | $\frac{…
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a person with great acumen demonstrates: a lack of understanding and po…
1. Sharpness of mind, keen insight and good judgment 2. To convey a message, explore a theme, or provide thought 3. Remarkably great or enormous
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state the marginal relative frequencies in the framework below. these n…
| Homeowners | Renters | Total | |--|--|--| | Cat Owners | $\approx0.158$ | $\approx0.188$ | $\approx0.347$ | | Dog Owners | $\approx0.436$ | $\approx0.218$ | $\approx0.653$ | | T…
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what is the meaning of the y - intercept? the weight in the bucket decr…
Before sand is put in the bucket, it weighs 1 pound.
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state the joint relative frequencies in the framework below. remember t…
Joint relative frequencies: | | Homeowners | Renters | |--|--|--| | Cat Owners | $\frac{16}{101}\approx 0.158$ | $\frac{19}{101}\approx 0.188$ | | Dog Owners | $\frac{44}{101}\app…
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from the virginia declaration of rights june 12, 1776 i that all men ar…
reduced, private
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select the correct text in the passage. read the excerpt from a compute…
3. an array of data ordered so that individual items can be located
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from unit 1, lesson 15 here are statistics for the length of some frog …
The mean changes to approximately 3.42 feet, the median changes to 3.25 feet, the standard deviation changes to 0.8 feet, and the IQR changes to approximately 0.46 feet.
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when trey got his telescope for christmas, he looked at the night sky a…
C. a huge number impossible to count
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use the probability distribution to complete parts (a) through (e). the…
0.771
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5 diegos goal is to walk more than 70,000 steps this week. the mean num…
a. Let $x$ be the mean number of steps Diego needs to walk during the last 3 days of the week. The inequality is $32076 + 3x>70000$. b. Yes, Diego will reach his goal.
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use the probability distribution to complete parts (a) through (e). the…
$0.771$
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which are two characteristics of direct distribution that differ from f…
- Direct distribution is also known as a zero level channel. - The manufacturer controls all aspects of distribution.
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use the probability distribution to complete parts (a) through (e). the…
$0.229$
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for each statement about the selection of distribution channels, select…
1. True 2. False 3. True
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which sales channel has been opened to manufacturers because of digital…
Direct - to - Consumer
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the equation for the line of best fit is y = 22x + 27. to the nearest p…
17
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we dont want to change the future. we dont belong here in the past. the…
C. extremely particular
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which equation could represent the line of best fit for this data? y = …
\(y=-3x + 9\)
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you are dealt a hand of 6 cards from a standard deck of 52 cards. find …
$0.128385$
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7. which lines from the article best support the answer to question 4? …
7. c 8. a 9. d 10. b 11. a 12. b
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some of aishas friends were surprised when she worked all summer at a j…
C. passion
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objective 4 - contrast part - to - part and part - to - whole ratios gu…
1. The part - to - whole ratio of tuition and fees to total expenses with the second quantity scaled to 100 is approximately 20.3:100. This means that tuition and fees make up abo…
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name: where do words get their meanings? many words can be traced back …
acute (acupuncture) - sharp scribe (inscription) - write mort (mortuary) - death port (transportation) - to carry rupt (disruption) - to break spect (spectator) - to look multi (m…
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a warehouse employs 27 workers on first - shift, 17 workers on second -…
0.014
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question the distribution of the ages of the 65 attendees at an event i…
32
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tanias neighbor on the corner was a curmudgeon. he yelled at all the ne…
B. a bad - tempered person
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a warehouse employs 25 workers on first - shift, 19 workers on second -…
$0.051$
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figure 2. female - to - male earnings ratio and median earnings of full…
4. Approximately 1.28 times. 5. Approximately $78. 6. Using 2017 - dollars adjusts for inflation, allowing for a fair comparison of earnings over time. 7. The relatively flat tren…
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the race to build the transcontinental railroad 1. the completion of th…
B. A major task requiring skill and effort
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question 16 of 19 the sculptures pictured below come from two different…
A. Renaissance artists developed their artistic styles by following examples left by classical civilization.
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perform the indicated calculation. $\frac{_{7}c_{4}}{_{11}c_{4}}$ $\fra…
$0.106$
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the word economics comes from another word meaning \someone in charge o…
"Who will get what?", "How will we do things?", "What things should we do?"
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economics is the study of decisions people make to meet needs and wants…
Janet eats a cookie because it tastes good. - Want Janet drinks a glass of water because she is thirsty. - Need Janet schedules a doctor's appointment to get medicine because she …
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question 25 1 pts which of the following terms means procedural fairnes…
B. due process
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question type of cookie cost per cookie, in dollars chocolate chip $0.7…
$0.54$
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the tyger by william blake tyger, tyger, burning bright in the forests …
The speaker wonders whether the creator who made the lamb would make the tiger.
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question 4 of 10 which quotation is an example of antonys use of antici…
C. "But here's a parchment with the seal of Caesar; I found it in his closet, 'tis his will: Let but the commons hear this testament — Which, pardon me, I do not mean to read — "
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abrams wife sarais name to sarah, meaning \princess\ (see genesis 17:4 …
For the Scripture - passage part: In Matthew 10:19 - 20, "The Spirit of your Father" is mentioned, indicating the Spirit's role in empowering disciples. In John 14:16 - 17, "The A…
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scarcity means people must make choices. choices have consequences, or …
David will probably have to pay to have the bike fixed up every year or so. - Future David also wanted to buy new shoes, but he doesn't have enough money to buy them anymore. - Pr…
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scarce resources mean people face trade - offs. a trade - off is when y…
8
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which equation could represent the line of best fit for this data? y = …
$y=\frac{1}{4}x + 4$
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read these lines from \the human abstract,\ in which blake describes th…
The Tree of Mystery leads people to do wrong, just as Adam and Eve did wrong in the Garden.
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read these lines from the poem “fern hill.” and honored among foxes and…
The farm was such a paradise that even animals that are enemies got along.
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question 3 of 23 how did the printing press affect the protestant refor…
B. It helped critics of the Catholic Church more easily spread their ideas.
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name: redacted period: 2 * 6.rl.3.a - analyze authors use of language *…
1. B. To describe a personal experience and reflect on its meaning 2. B. "Still, something inside whispered, 'Finish. Even if you are last, finish.'" 3. A. The race felt very long…
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type the correct answer in the box. spell all words correctly. which ty…
Community service program
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back to assignment attempts average / 1 1. vocabulary - financial plann…
Utility
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what type of context clue offers a word with the same meaning as an unf…
D. synonym
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read the excerpt from ships chronometer from hms beagle. just as people…
"rigidly fixed"
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question 4 (1 point) directed patrol uses ______________ to plan shift …
Question 4: crime statistics Question 5: True
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the following table gives the data for the average temperature and the …
The regression line equation is \(\hat{y}=30.184 - 0.506x\) and the regression equation is appropriate for making predictions at the 0.05 level of significance.
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the following table shows the hours studied and corresponding test grad…
$r = 0.762$, and $r$ is statistically significant at the $0.01$ level of significance.
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the venn - diagram below shows the 13 students in ms. martins class. th…
$P(A)=\frac{5}{13}$ $P(B)=\frac{8}{13}$ $P(A\ and\ B)=\frac{3}{13}$ $P(A|B)=\frac{3}{8}$ $P(B)\cdot P(A|B)=\frac{3}{13}$
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which of the following is a cluster sample? * a sample of 10 students a…
The class is divided into 3 groups, and a group is picked at random, and all students of that group is selected
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the owner of a grocery store chain in a large city wants to find averag…
1. True 2. False 3. False 4. True 5. The class is divided into 3 groups, and a group is picked at random, and all students of that group is selected
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a television reporter interviewed travellers stranded at an airport dur…
1. e. Convenience Sample 2. Systematic Sample
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n = 5 ς(x - x̅)(y - ȳ) = 54 ς(y - ȳ)² = 112 ς(x - x̅)² = 30 r = 0.93 s_…
1.79
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to study the amount of time spend on homework each day, a sample contai…
First question: Stratified Sample Second question: A population is divided into groups and members of the sample are randomly selected from each group.
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$\\sum(x - \\bar{x})(y - \\bar{y}) = 54$ $\\sum(y - \\bar{y})^2 = 112$ …
0.93
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1. match the question to the correct vocabulary word. 1. which word des…
1. i. Obtuse 2. h. Meticulous 3. b. Digress 4. f. Assail 5. c. Taciturn 6. a. Incoherent 7. j. Insidious 8. e. Vindicate 9. g. Heinous 10. d. Languid
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all individuals being studied under a survey is called * a. population …
a. Population c. Percentage of all city residents who are satisfied with the city's transportation system
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on a separate piece of paper, complete the following table to calculate…
48
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a city mayor is interested in determining what percentage of the city r…
1. 1000 city residents 2. Assign numbers from 1 to 20 to the cars, and select 8 numbers using Random Number Generator, and cars with those numbers will be sample of 8 cars
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13. what is the central conflict in camus philosophy of the absurd? bet…
B. Between human desire for meaning and universe's indifference
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10. if a person accepts that life is absurd but decides to create art t…
10. Creative rebellion against absurdity 11. He believed in a shared human nature bonding people 12. Continuing to live and embrace freedom
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what is a stratified sample? * all members of the population have an eq…
1. A population is divided into groups and members of the sample are randomly selected from each group. 2. e. Convenience Sample
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a device that is used to find direction by means of a needle that alway…
1. C. Magnetic Compass 2. C. Middle Colonies
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read the chapter and answer the questions below 1. what is the preamble…
1. The introductory statement of a constitution or other legal - document stating general purpose and guiding principles. 2. To outline the goals and intentions of the framers lik…
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a form of labor in which a person voluntarily signs a contract to work …
1. D. Indentured Servitude 2. A. Astrolabe
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which statement is true about the box plots? select three options. both…
Mr. Ishimoto had the class with the greatest number of students.
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what is the meaning of each constant of proportionality, 1.6 and 0.625,…
- The constants of proportionality, 1.6 and 0.625 represent: 1.6 represents the number of gallons filled per minute and 0.625 represents the number of minutes it takes to fill one…
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11. that night, kaci was lying in bed thinking about what her grandmoth…
1. "The game has come a long way," - positive 2. "That's nice," - positive
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read the following sentence from paragraph 4. asteroids are not easy to…
A. an object with no shape
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it is a means of stirring the greatest number of people by offering the…
C. 2,4,3,5,1
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copy and complete the table and formulas regarding positivity (x) and r…
\(2.00\)
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4. describe the relationship in the following scatterplot
There is a positive linear relationship between the number of lines picked and the hours of overtime.
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questions 1 through 3 refer to the following. the mongol empire and the…
B. The Silk Road trade increased because the Mongol conquests helped connect more regions of Eurasia commercially.
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it was recently reported that the riversville city council is consideri…
A. Without support from the city, the library would not be able to sustain itself for long.
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question 3 the average production cost for major movies is 66 million d…
a. \(X\sim N(66,19)\) b. \(\bar{X}\sim N(66,\frac{19}{\sqrt{40}})\approx N(66,3.0092)\) c. \(0.0846\) d. \(0.4693\) e. No
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enter the correct answer. identify the lower extreme.
15