統計と確率
データ分析、確率分布、仮説検定、統計手法。
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select the answer that best completes the given statement. solving a fo…
isolated on one side.
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distance from school in blocks wynn needs to find the center of the dat…
The dot plot has \(20\) dots. The dot plot has \(9\) dots to the right of the center. The center of the data set is between \(2\) and \(3\).
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read the sentence. my sister motivated me to start a business by tellin…
encouraged
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read the sentence. diego used his friends feedback to improve his busin…
ideas
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a plane is going to fly 300 miles at a planned speed of 530 mph. the fl…
B. \(530\)
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what does the greek root -path- mean? a. journey or road b. feeling or …
B. feeling or suffering
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10. what actions of dallys does ponyboy remember as he sees dally go do…
Ponyboy remembers Dally's tough, wild demeanor, his loyalty (especially to Johnny), and perhaps moments of kindness or protectiveness that Dally showed despite his rough - around …
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select the answer that best completes the given statement. solving a fo…
isolated on one side.
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select the text that has a more objective tone. today, the rich forge t…
The second text (In 2014, economic inequality was the central theme... were in the spotlight.)
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according to a study done by nick wilson of otago university wellington…
\(0.9753\)
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inside the box, you find: • a carved figure of a man holding a lightnin…
The items in the mystery box contain symbolic elements (like a lightning - bolt - holding figure, a bird over mountains, and a reference to fire - bringing) that are likely parts …
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what does the point h represent? the pitching machine throws 6 pitches …
The pitching machine throws 30 pitches if Emmy uses 6 tokens.
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to help the group of children understand, using one of the synonyms in …
The center of everyone's attention
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distance from school in blocks wynn needs to find the center of the dat…
The dot plot has \(21\) dots. The dot plot has \(6\) dots to the left of the center and \(10\) to the right of the center. The center of the data set is \(2\) (assuming the total …
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what does the point u represent? when doug takes 6 selfies, they take u…
When Doug takes 6 selfies, they take up 12 megabytes of storage.
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distance from school in blocks wynn needs to find the center of the dat…
The dot - plot has \(17\) dots. The dot - plot has \(6\) dots to the left of the center and \(7\) dots to the right of the center. The center of the data set is between \(2\) and …
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question 17 what term means the belief that good things happen to good …
B. Just World Hypothesis
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3 - 53. assume that all trees are green. a. does this statement mean th…
a. Yes. Because an oak tree is a tree and all trees are green. b. No. Because there can be green non - tree things (e.g., green apples). c. No. Because “All trees are green” is \(…
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number of books read this month use the dot plot to help you complete t…
A cluster is located at \(4\) and \(5\) and another is at \(0\). A gap is located at \(3\). A peak is located at \(1\).
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the attendant at a parking lot compared the number of hybrid vehicles t…
63
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number of runs scored what is a dot plot and how do you read it? check …
A. A dot plot displays data values as dots above a number line. B. Dot plots show the frequency with which a specific item appears in a data set. D. There were 0 runs in 2 of the …
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the attendant at a parking lot compared the number of hybrid vehicles t…
40
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how many plants were less than 3/4 feet? height (ft) number of plants 0…
7
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based on the dot plot, which statements are correct? check all that app…
B. Twelve students answered Mr. Chiu's question, C. Three people studied for two hours, F. Four people studied for four or more hours.
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which is an example of a statistical question? questions question 1 how…
Question 2
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which is an example of a non - statistical question? question 1 questio…
Question 3
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plot the points how many hours did you read last week? sammi made a mis…
Sammi did not make a mistake.
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which are examples of non - statistical questions? questions question 1…
questions 1 and 2
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which dot plot shows three tvs in two houses? how many tvs are in your …
The first dot - plot (the one where there are 2 dots above \(x = 3\) on the horizontal axis labeled 'How Many TV's Are in Your House?')
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alexandra made a tally chart shown below. which would be a good statist…
How many books did you read in the last month?
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aiden - 4 sophia - 10 multiple choice 1 point a science teacher measure…
9. Line Graph 10. Line Graph
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which dot plot shows three people that sleep for eight hours a night an…
The first dot - plot.
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mikayla asked 10 of her friends how many hours of tv they watch in a we…
Draw a number line from 8 to 14. Show the frequency of each number. Title the dot plot.
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multiple choice 1 point which table accurately represents the data show…
Emma - 10, Aiden - 6, Sophia - 8
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tara made this line graph to show the grades that she got on all of her…
I and IV
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4 multiple choice 1 point which of the statements below is true regardi…
The range is 40 ### Question 5
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select all the true statements. you can use a relative frequency table …
- You can use a relative frequency table to examine how data sets are related by comparing percentages. - A column relative frequency table helps compare data in two different row…
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use the row relative frequency table. did a greater percentage of volle…
A greater percentage of volleyball players.
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making a dot plot you asked the question \how many amusement parks have…
Follow the steps above to create the dot - plot.
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hours 3 4 5 6 tally iiii hhi iii hhi kerri made a dot plot from the giv…
No, Kerri's dot - plot does not match the data in the tally table. 3 hours: 4 classmates (not as per Kerri's dot - plot). 4 hours: 4 classmates (not as per Kerri's dot - plot). 5 …
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10 multiple choice 1 point ava tracked the number of steps she walked e…
I and IV is incorrect. I, III, IV is incorrect. I, II, IV is incorrect. Only statements I and IV are correct. But since the options are given as per the problem, and re - checking…
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multiple choice 1 point the graph below displays how many laps five swi…
\(25\)
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use the two - way frequency table to complete the relative frequency ta…
| | Lunch Order | | | |--|--|--|--| | | Sandwich | Pasta | Total | | Sport - Volleyball | \(27\%\) | \(21\%\) | \(49\%\) | | Sport - Swimming | \(37\%\) | \(14\%\) | \(51\%\) | | …
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7 multiple choice 1 point the graph below shows the number of goals sco…
\(20\) (the fourth option) ### Question 8
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hours spent at water park write a statistical question that might have …
**Question**: "How many hours did people spend at the water - park?"
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4 multiple choice 1 point diego recorded these times in minutes he took…
The median of the times is 50 ### Question 5
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you asked amusement park visitors the question \how many times did you …
On the dot - plot, we would locate the value \(5\) on the horizontal axis (which represents the number of times the Ferris wheel was ridden). Then, we would place \(4\) dots above…
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use the accompanying radiation levels \\( \\left \\frac{w}{kg} \ ight \…
\(0.89\)
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your leader asks you to help unload and organize merchandise from a lar…
Focus on your assigned merchandise. The team members did not ask for help, and you do not want to make them uncomfortable.
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4054va v. english 12 sem a english language arts 12 part 3: text struct…
Playwrights explored the human condition and provided a voice for the common people.
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use the venn diagram to calculate conditional probabilities. which cond…
\(P(E|D)=\frac{7}{25}\) is correct.
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for each part below, indicate whether the variable is a quantitative or…
(a) Quantitative (b) Categorical (c) Categorical (d) Categorical
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use the given degree of confidence and sample data to construct a confi…
B. \(0.405 < p<0.666\)
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during a wisdom teeth removal procedure, 1, 2, 3, or 4 wisdom teeth are…
(a) \(\mu_{\bar{x}} = 2.25\) (b) \(\sigma_{\bar{x}}\approx0.26\)
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a scientist estimates that the mean nitrogen dioxide level in a city is…
\(z\approx - 0.39\)
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a light bulb manufacturer guarantees that the mean life of a certain ty…
\(z\approx - 2.13\)
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a nutritionist claims that the mean tuna consumption by a person is 3.9…
D. Fail to reject \(H_{0}\). There is not sufficient evidence to reject the claim that mean tuna consumption is equal to 3.9 pounds.
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a food safety guideline is that the mercury in fish should be below 1 p…
\(0.366\) ppm\(<\mu<\)\(1.066\) ppm
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read the text. of the 1.3 billion residents of china, approximately 850…
compare - contrast
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creating a two - way table from a scenario in a study, 1,085 out of 2,3…
\(\frac{480}{1371}\)
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people who cannot obtain wealth may nevertheless seek to maintain the r…
1. d. ritualism 2. b. misdemeanor
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all the workers in a company were asked a survey question. the two - wa…
A. Yes. In the day shift, \(59\%\) of workers in the day shift answered "Yes." However, in the night shift, only \(21\%\) answered "Yes."
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which of the following statements is true about crime in the united sta…
1. C. African Americans are more likely than people in other racial or ethnic classifications to become crime victims. 2. C. retreatist gangs
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defining a statistical question you want to learn about the ferris - wh…
Yes, it is a statistical question. Because different people will give different answers (there is variability in the data), which is characteristic of a statistical question.
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all the workers in a company were asked a survey question. the two - wa…
|Shift|Yes|No|Total| |---|---|---|---| |Day|59%|41%|100%| |Night|21%|79%|100%| |Total|40%|60%|100%|
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making a dot plot number of amusement park visits you asked amusement p…
A number line from \(1\) to \(5\)
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times riding a roller coaster you asked amusement park visitors the que…
3 people
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students were asked if they like strawberries. the two - way relative f…
\(48\)
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more than 340 million people visit theme parks each year. do you think …
How many times did you ride a coaster today?
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reasoning there are 75 vehicles in a parking lot. the frequency table s…
| Color | Car | Truck | Total | |--|--|--|--| | Blue | $53.7\%$ | $46.3\%$ | $100\%$ | | Red | $52.9\%$ | $47.1\%$ | $100\%$ | | Total | $53.3\%$ | $46.7\%$ | $100\%$ |
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which critical value is appropriate for a 99% confidence level where n …
A. \(t_{\alpha/2}=2.921\)
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how old were you when you lost your first tooth? use the information in…
The number missing on the number line is 6. There should be 2 dots above the number 4. There should be 4 dots above the number 6. A good title for the dot plot is Age You Lost You…
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pets in a group of 150 people, each person has a dog, a cat, or a bird.…
| Pets | Men | Women | Total | |--|--|--|--| | Dog | \(24.7\%\) | \(25.3\%\) | \(50.0\%\) | | Cat | \(15.3\%\) | \(16.7\%\) | \(32.0\%\) | | Bird | \(8.7\%\) | \(9.3\%\) | \(18.0\…
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jayne polled 50 students about their preferred after - school sport, an…
Baseball is more popular because 38 students preferred baseball, compared to 12 students who preferred soccer.
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use the data in the table to answer the question. which number line wou…
a number line from \(0\) to \(5\)
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corey asked 82 people at his school what type of fruit they prefer. use…
| | Apples | Grapes | Oranges | Total | |---|---|---|---|---| | Students | 22 | 29 | 24 | 75 | | Teachers | 2 | 4 | 1 | 7 | | Total | 24 | 33 | 25 | 82 |
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what does the number in the bottom right - hand corner of a two - way f…
It is the total number of data points in the data set, which is also the sum of the row totals or the column totals.
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question 24 (2.5 points) to show how students test scores relate to the…
B. line chart
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number of hours spent on homework what is a dot plot and how do you rea…
A. A dot plot is a simple plot that displays data values as dots above a number line. B. Dot plots show the frequency with which a specific item appears in a data set. C. 3 studen…
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a total of 76 students responded to a survey about transportation to sc…
| | Girls | Boys | Total | |----------|-------|------|-------| | Walk | 22 | 16 | 38 | | Ride | 29 | 9 | 38 | | Total | 51 | 25 | 76 |
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question 6 (4 points) listen which of the following statements is corre…
The most likely explanation for an inverted yield curve is that investors expect inflation to decrease.
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express the confidence interval 0.039 < p < 0.479 in the form p ± e. a.…
C. $0.259\pm0.22$
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express the confidence interval (0.432, 0.52) in the form p ± e. o a. 0…
C. \(0.476\pm0.044\)
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classify each question as statistical or nonstatistical. what kind of d…
- Statistical: How many siblings do you have?, What time do you go to sleep?, How many pets do you have? - Non - statistical: What kind of dog does Bruno have?, What is Clara's br…
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decide if each question is statistical or nonstatistical. how many hour…
1. nonstatistical 2. statistical 3. nonstatistical 4. statistical
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consider the passage below, an account written by flavius josephus, an …
the first major Jewish revolt against Rome
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why is the question below a statistical question? check all that apply.…
B. The question provides useful data about a group of people, C. Many people can answer the question, E. There will be many different answers to the question, F. The data collecte…
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a survey of 300 union members in new york state reveals that 112 favor …
A. $0.301 < p < 0.445$
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on a given day, a restaurant chain tracks the average number of people …
62 people
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question 13 when marcos is unhappy, he is mean to other children; he ca…
A. moving against people
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using the smiths bbq report, if hourly wages increase by 10% next week …
\( \$1,018 \)
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identify the correlation coefficient ( r ) that is most likely to corre…
\(r = 0.07\)
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the scatter plot below shows data points and the line of best fit. iden…
Strong positive association
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the scatter plot below shows data points and the line of best fit. iden…
No association.
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the scatter plot below shows data points and the line of best fit. iden…
No association.
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the scatter plot below shows data points and the line of best fit. iden…
Moderate negative association.
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the scatter plot below shows data points and the line of best fit. iden…
No association (since there is no clear upward or downward trend and the points are too scattered to indicate a strong or weak positive/negative association)
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a farmer is recording the size of his crop yield based on the monthly r…
\(33\) tons per acre
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a farmer is recording the size of his crop yield based on the monthly r…
\(32\) tons per acre (rounded to the nearest ton per acre)
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a toy company is studying the average demand for one of their new dolls…
30