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AP Stat Unit 8

Authored by Anthony Clark

Mathematics

12th Grade

AP Stat Unit 8
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The histogram shows the typical travel time to school (self-reported) for 50 high school students. Which of the following statements is true about the mean and median of this distribution?

Mean > Median

Mean < Median

Mean = Median

Mean ≈ Median

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Jerome’s summer reading list has 8 books, and he is examining the number of pages in each book. After calculating the mean, median, standard deviation, and interquartile range, he realized that the longest book is actually 100 pages longer than he thought it was. Which of his measurements does he need to recalculate?

All his measurements.

The mean, standard deviation, and interquartile range.

The mean and standard deviation.

Only the mean.

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

An adult male aged 20-29 who is 73 inches tall would be shorter than what percent of males in his age group?

10%

15%

85%

90%

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Sally was so excited after collecting her data that she slipped and fell in the mud! She can no longer read her data but she knows the median is 35.4 inches with a range of 12 inches. Sally also realizes that she needs to add 1 inch to all her measurements because of a faulty ruler, then convert everything to feet. What would her median and range be after making these adjustments?

Median = 3.033 feet
Range = 1.083 feet

Median = 3.033 feet
Range = 1 foot

Median = 2.95 feet
Range = 1.083 feet

Median = 2.95 feet
Range = 1 foot

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

A random sample of 50 students reported their gender, then selected from 4 options of one word that best described how they felt at the time. The results are summarized in the table. What percentage of males felt tired?

1.2 %

12.0%

24.0%

54.5%

57.1%

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The following bar graph gives the percent of owners of three brands of trucks who are satisfied with their truck. What is wrong with the way information is presented in this graph?

There should be a title and a variable label on the horizontal scale.

The vertical scale should begin at 0 so the Chevrolet bar doesn't look disproportionately larger than Ford and Toyota.

The vertical scale should have been measured in number of owners satisfied instead of percent of owners satisfied.

This information should have been displayed in a pie chart.

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In a survey of men in the United States (ages 20-29), the mean height was 69.6 inches with a standard deviation of 3.0 inches. Find the minimum height in the top 22%.

69.37 in 

67.58 in 

73.12 in 

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