Representing Data

Question 1

Which of the following statements is true?

Revolt · Accepted Answer

The median is most appropriate because the graph is skewed.

Question 2

The third quartile is .

Revolt · Accepted Answer

127

Question 3

The maximum of the data is .

Revolt · Accepted Answer

136

Question 4

Which statement about the data set is true?

Revolt · Accepted Answer

The mean is less than the median.

Question 5

Type in the five-number summary for the data shown on the right.

Revolt · Accepted Answer

81; 95; 109; 127; 136

Question 6

What percent of the data lies between 109 minutes and 138 minutes?

Revolt · Accepted Answer

50%

Question 7

Describe the shape of the graph. Although the mean cannot be determined from the graph, can an approximation of the mean be determined? Explain.

Revolt · Accepted Answer

Answer

Question 8

Which statement is true of the graph on the right?

Revolt · Accepted Answer

The average salary increased by the same amount each year.

Question 9

Sample Response: The graph is symmetric. The mean and median are about equal in a symmetric graph. The median is shown as 109, so the mean is approximately 109. Which information did you include in your response? Check all of the boxes that apply.The graph is symmetric.Because the graph is symmetric, the mean and median should be approximately equal.According to the graph, the median is 109. Therefore, the mean is approximately 109.

Revolt · Accepted Answer

The graph is symmetric.; Because the graph is symmetric, the mean and median should be approximately equal.; According to the graph, the median is 109. Therefore, the mean is approximately 109.

Question 10

Why is the graph misleading? The horizontal axis does not begin at zero.The vertical axis does not begin at zero.The horizontal scale changes.The vertical scale changes.

Revolt · Accepted Answer

The vertical axis does not begin at zero.

Representing Data Answers

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