Frequency Distribution and Histograms

It is a systematic way of presenting data using a table.

• Class Interval

• Collecting Data

• Frequency Distribution Table

The number of times the data value occurs is called ____________.

• Range

• Frequency

• Class Interval

The table shows the scores of 40 students in their Math Quiz. What is the frequency of the scores from 21-25?

• 9

• 8

• 15

The table shows the scores of 40 students in their Math Quiz. What is the class interval of the given data?

• 5

• 6

• 7

The histogram shows the times taken by a group of students to complete a Maths test.

Estimate the number of students who took longer than 30 minutes to complete the test.

• 5

• 10

• 15

• 20

How many employees have a salary less than $22,000?

• 50

• 350

• 0

• 10

The following are the scores obtained by a group of 30 grade 7 students in Science Quiz. What is the frequency of the scores from 6-10?

• 7

• 4

• 13

More people had between __ and __ cups of coffee than any other range.

• 0-3

• 8-11

• 12-15

• 16-19

How many more people studied for 0-30 minutes than people who studied for 121-150 minutes?

• 3

• 6

• 5

• 4

How many baseball teams scored 0 runs per inning?

• 4

• 3

• 2

• 1