Constructing Frequency Distribution

A collection of observation produced by sorting them into classes and showing their frequency of occurrence in each class.

• Statistics table

• Frequency distribution table

• Distribution column

• Frequency Graph

In the second row with a frequency of 42, what is the class boundary?

• 9.5 - 19.5

• 10 - 19

• 10.5 - 18.5

• 10.5 - 19.5

What is the total frequency?

• 200

• 215

• 224

• 225

According to the portion of the frequency table given, how many people have an MBA?

• 9

• 20

• 60

• not enough information

Sam's team has scored the following numbers of goals in recent games

2, 3, 1, 2, 1, 3, 2, 3, 4, 5, 4, 2, 2, 3

What type of distribution for the above data?

• Raw data

• Ungrouped frequency distribution table

• Grouped frequency distribution table

• Cummulative frequency

Given above are marks obtained by 20 students in Math out of 25.

Find the value of x.

• 4

• 5

• 7

• 8

Given both table above are marks obtained by 20 students in Math out of 25. What are different between the tables?

• A: Cumulative frequency

  B: Ungrouped frequency distribution table

• A: Ungrouped frequency distribution table

  B: Grouped frequency distribution table

• A: Ungrouped frequency distribution table

  B: Cumulative frequency

• A: Grouped frequency distribution table

  B: Cumulative frequency

The table above shows a cumulative frequency distribution of runners' ages. According to the table, how many runners are in their forties?

• 25

• 7

• 6

• 10

The table shows the times, in minutes, that people waited in a supermarket queue.

What are the value of a, b, c and d respectively?

• 2, 3, 5, 10

• 0, 2, 5, 10

• 2, 5, 10, 20

• 16, 27, 39, 18

The graph shows the number of nails in a sample of 200 packets from a factory.

How many packets contained fewer than 98 nails?

• 24

• 20

• 30

• 34