Statistical Modeling — Test Answers

25 verified answers

Which of the following statements is false?

The distribution of quiz grades is skewed left.

The distribution of quiz grades has a center around 21.

The distribution of quiz grades has an IQR of 4.

The distribution of quiz grades has four outliers.

Which of the following is not a correct statement about the pie chart?

More students in the class have blue eyes than hazel.

The fewest number of students have gray eyes.

Most of the students in the class have brown eyes.

More students have hazel eyes than blue.

What is the median number of people per residence? Round to one decimal place if needed.

The median is 2 people per residence.

The median is 3 point 5 people per residence.

The median is 2 point 5 people per residence.

The median is 2 point 8 people per residence.

What percentage of students has an arm span of at least 170 cm?

59 percent

55 percent

41 percent

45 percent

Which statement best compares the scores for Class A to Class B?

The median score for Class A is higher than Class B’s.

The median score for Class B is about the same as Class A’s.

The median score for Class A is lower than Class B’s.

The median score for Class B is lower than Class A’s.

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