Cavalieri's Principle and Volume of Composite Figures

Question 1

Which of the following statements is true?

Revolt · Accepted Answer

The median is most appropriate because the graph is skewed.

Question 2

Which statement about the data set is true?

Revolt · Accepted Answer

The mean is less than the median.

Question 3

The minimum of the data is .

Revolt · Accepted Answer

81; 95; 109; 127; 136

Question 4

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

Revolt · Accepted Answer

50%

Question 5

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

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.

Question 6

In which range(s) does 75% of the data lie? Check all of the boxes that apply.

Revolt · Accepted Answer

81 minutes and 126 minutes; 95 minutes and 138 minutes

Question 7

Which information did you include in your response? Check all of the boxes that apply.

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 8

Why is the graph misleading?

Revolt · Accepted Answer

The vertical axis does not begin at zero.

Question 9

Which statement is true of the graph on the right?

Revolt · Accepted Answer

The average salary increased by the same amount each year.

Cavalieri's Principle and Volume of Composite Figures Answers

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