Question 1

Which of the following best describes a frequency distribution?

Accepted Answer

A listing of the observed values and the corresponding frequency of occurrence of each value.

Question 2

Given the following heights (in inches): 72, 70, 68, 72, 71, 71, 73, 75, 66, 67, 75, 74, 71, 72, 76, 72, 68, 66, 71, 73, 70, 73, 72, 73, what is the frequency of the height 73 inches?

Accepted Answer

$$4$$

Question 3

If you were to create a bar graph from the frequency chart in the image, which height would have the tallest bar?

Accepted Answer

$$72$$

Question 4

What is the total number of students surveyed in the data set?

Accepted Answer

$$25$$

Question 5

Which of the following is NOT a step in organizing raw data into a frequency distribution?

Accepted Answer

Calculating the mean and median of the data set.

Question 6

Suppose a new student with a height of $$72$$ inches is added to the data set. What would be the new frequency for $$72$$ inches?

Accepted Answer

$$6$$

Question 7

If you wanted to find the mode of the data set, which value would you select?

Accepted Answer

$$72$$

Question 8

Which of the following real-life scenarios would best be analyzed using a frequency distribution?

Accepted Answer

Counting the number of cars passing through a toll booth each hour.

Question 9

If the frequency of $$66$$ inches is doubled, what would be the new total number of students?

Accepted Answer

$$27$$

Question 10

A researcher wants to compare the distribution of heights in this data set to another group. Which statistical tool would be most appropriate to use?

Accepted Answer

A frequency distribution table for both groups.

Question 11

If the frequency for $$75$$ inches is $$2$$, what percentage of the students are $$75$$ inches tall? (Round to the nearest percent.)

Accepted Answer

$$8\%$$

Question 12

Which of the following statements is true about the data set?

Accepted Answer

The most common height is $$72$$ inches.

Organizing Data: Frequency Distribution in College Algebra

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