Class 9 Practice – Level 1 – Statistics

Total questions: 40

What is the term used for the collection of data in statistics?

Topic: Introduction to Statistics

Census

Data set

Sample

Population

None

The mean of the numbers 3, 5, 7, 9, and 11 is:

Topic: Mean

None

Find the median of the data set: 12, 7, 9, 14, 6.

Topic: Median

None

What is the mode of the following data set: 4, 6, 4, 7, 8, 4, 9?

Topic: Mode

None

Find the range of the data set: 15, 22, 8, 17, 12.

Topic: Range

None

Which of the following is not a measure of central tendency?

Topic: Introduction to Statistics

Mean

Median

Mode

Range

None

Find the mean of the numbers: 10, 20, 30, 40, 50.

Topic: Mean

None

The median of the data set 3, 7, 5, 9, 11, 2, 8 is:

Topic: Median

None

What is the mode of the data set: 2, 4, 6, 8, 4, 10, 4?

Topic: Mode

None

10.

Determine the range of the data: 25, 30, 20, 35, 40.

Topic: Range

None

11.

In a frequency distribution, the sum of all frequencies is equal to:

Topic: Frequency Distribution

Mode

Mean

total number of observation

Median

None

12.

If the mean of five numbers is 16, what is the sum of the numbers?

Topic: Mean

None

13.

Find the median of the data set: 4, 6, 8, 10, 12, 14, 16

Topic: Median

None

14.

The mode of the data set 5, 5, 7, 7, 7, 8, 9 is:

Topic: Mode

None

15.

Find the range of the data set: 8, 15, 22, 10, 5

Topic: Range

None

16.

Cumulative frequency is the sum of the frequencies up to a certain point in a:

Topic: Cumulative frequency

Frequency table

Median

Mode

Range

None

17.

What is the mean of the numbers: 9, 12, 15, 18, 21?

Topic: Mean

None

18.

Find the median of the data set: 13, 18, 21, 25, 28.

Topic: Median

None

19.

The mode of the data set 6, 7, 6, 8, 9, 6, 10 is:

Topic: Mode

None

20.

What is the range of the data set: 4, 9, 15, 22, 5?

Topic: Range

None

21.

In a frequency distribution, the most frequent observation is referred to as the:

Topic: Frequency Distribution

Mean

Mode

Median

Range

None

22.

Find the mean of the following numbers: 2, 4, 6, 8, 10.

Topic: Mean

None

23.

The median of the data set 3, 3, 6, 6, 7, 7, 9 is:

Topic: Median

None

24.

Find the mode of the following data set: 12, 15, 12, 18, 20, 12, 25.

Topic: Mode

None

25.

Determine the range of the data: 30, 45, 25, 50, 35.

Topic: Range

None

26.

The cumulative frequency of the last class in a frequency distribution is equal to:

Topic: Frequency Distribution

The mean of the data

The sum of all previous frequencies

The median of the data

The total number of observations

None

27.

If the mean of three numbers is 9, and two of the numbers are 7 and 11, what is the third number?

Topic: Mean

None

28.

Find the median of the data set: 14, 18, 22, 26, 30.

Topic: Median

None

29.

What is the mode of the data set: 8, 10, 8, 12, 8, 14, 16?

Topic: Mode

None

30.

What is the range of the data set: 5, 15, 20, 25, 30?

Topic: Range

None

31.

A frequency distribution table is used to organize:

Topic: Frequency Distribution

Text

numbers

Observations

Data

None

32.

The mean of the numbers 6, 8, 10, 12, 14 is:

Topic: Mean

None

33.

Find the median of the data set: 21, 23, 25, 27, 29, 31, 33.

Topic: Median

None

34.

What is the mode of the data set: 7, 8, 7, 9, 7, 10, 11?

Topic: Mode

None

35.

Determine the range of the data: 40, 50, 60, 70, 80.

Topic: Range

None

36.

In a frequency distribution table, the first column represents:

Topic: Frequency Distribution

The observations

The cumulative frequency

The frequency

The range

None

37.

If the mean of four numbers is 12, and three of the numbers are 10, 14, and 8, what is the fourth number?

Topic: Mean

None

38.

Find the median of the data set: 5, 7, 9, 11, 13, 15, 17.

Topic: Median

None

39.

What is the mode of the data set: 4, 6, 8, 10, 6, 12, 6?

Topic: Mode

None

40.

What is the range of the data set: 10, 20, 30, 40, 50?

Topic: Range

None

1 out of 40

Time's up

Class 9 Practice – Level 1 – Statistics

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