Question: QUESTION 3 (20 Marks) The following data represents the volume (in litres) of water consumed by 54 families on a particular day. 3.1. Determine the:

QUESTION 3 (20 Marks)

The following data represents the volume (in litres) of water consumed by 54 families on a particular day.

3.1. Determine the:

3.1.1. mean volume of water consumed. (7 marks)

3.1.2. modal volume of water consumed. (4 marks)

3.2. Determine the standard deviation. (9 marks)

Volume (litres)

Frequency

1 13

7

14 26

6

27 39

5

40 52

9

53 65

15

66 78

12

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