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Statistics: Finding the Mean

In this worksheet, students calculate the mean of a given set of data.

'Statistics: Finding the Mean' worksheet

Key stage:  KS 2

Curriculum topic:   Maths and Numerical Reasoning

Curriculum subtopic:   Mean, Median, Mode and Range

Difficulty level:  

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Worksheet Overview

QUESTION 1 of 10

There are several different types of averages.

An average is one number that represents a set of numbers.

 

The MEAN  is a  number, which we calculate by adding up all the numbers in the list and sharing this total out by how many there are.

 

Example

Find the MEAN of this set of ten numbers:    5,  4,  8,  4,  3,  3,  8,  5,  1,  6

 

Answer

Step 1     Find the total which is 47

Step 2     Now divide by the number of numbers, which is 10 to get 47 ÷ 10 = 4.7

 

The MEAN is 4.7

Work out the MEAN of this list of 7 numbers:

 

5,  8,  7,  7,  3,  5,  7,  

Work out the MEAN of this list of shoe sizes, taken from children in a football team:

 

8,  8,  7,  7,  6,  5,  8,  7,  6,  8,  7   

Work out the MEAN of this list of numbers:

 

15,  12,  7,  17,  23,  15,  14,  17   

Work out the MEAN of this list of numbers:

 

15,  1200,  85,  1700

Work out the MEAN of this list of numbers:

 

5,  5,  5,  5,  5,  5,  5,  5   

Work out the MEAN value of this list of shoe sizes, taken from children in a hockey team:

 

5½,  8,  6,  7½,  6,  5,  6,  5,  6,  8,  3   

Work out the MEAN of this list of numbers:

 

5,  5,  5,  5,  100 

Work out the MEAN of this list of numbers:

 

5,  -5,  -7,  7

The maximum daytime temperatures in ºC on 10 British summer days were as follows.

Work out the MEAN temperature in ºC (just write the number)

 

18,  17,  19,  18,  20,  15,  17,  18,  16,  15   

The maximum daytime temperatures in ºC on 10 Italian summer days were as follows.

Work out the MEAN temperature in ºC (just write the number)

 

32,  27,  32,  35,  34,  33,  36,  35,  30,  35   

  • ANSWERS
  • Question 1

Work out the MEAN of this list of 7 numbers:

 

5,  8,  7,  7,  3,  5,  7,  

CORRECT ANSWER
6
EDDIE SAYS
42 ÷ 7 = 6
  • ANSWERS
  • Question 2

Work out the MEAN of this list of shoe sizes, taken from children in a football team:

 

8,  8,  7,  7,  6,  5,  8,  7,  6,  8,  7   

CORRECT ANSWER
7
  • ANSWERS
  • Question 3

Work out the MEAN of this list of numbers:

 

15,  12,  7,  17,  23,  15,  14,  17   

CORRECT ANSWER
15
  • ANSWERS
  • Question 4

Work out the MEAN of this list of numbers:

 

15,  1200,  85,  1700

CORRECT ANSWER
750
  • ANSWERS
  • Question 5

Work out the MEAN of this list of numbers:

 

5,  5,  5,  5,  5,  5,  5,  5   

CORRECT ANSWER
5
  • ANSWERS
  • Question 6

Work out the MEAN value of this list of shoe sizes, taken from children in a hockey team:

 

5½,  8,  6,  7½,  6,  5,  6,  5,  6,  8,  3   

CORRECT ANSWER
6
  • ANSWERS
  • Question 7

Work out the MEAN of this list of numbers:

 

5,  5,  5,  5,  100 

CORRECT ANSWER
24
  • ANSWERS
  • Question 8

Work out the MEAN of this list of numbers:

 

5,  -5,  -7,  7

CORRECT ANSWER
0
  • ANSWERS
  • Question 9

The maximum daytime temperatures in ºC on 10 British summer days were as follows.

Work out the MEAN temperature in ºC (just write the number)

 

18,  17,  19,  18,  20,  15,  17,  18,  16,  15   

CORRECT ANSWER
17.3
  • ANSWERS
  • Question 10

The maximum daytime temperatures in ºC on 10 Italian summer days were as follows.

Work out the MEAN temperature in ºC (just write the number)

 

32,  27,  32,  35,  34,  33,  36,  35,  30,  35   

CORRECT ANSWER
32.9
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