Question

The following are the last 10 run scores Colin got in cricket:
11, 23, 11, 32, 31, 30, 13, 10, 22, 10
a) Work out Colin's mean score.
b) Colin plays cricket again on Sunday. He gets 27 runs.
What is his new mean score?
Give your answers as decimals.

Answer 1

Answer :

a) mean = sum of observation/ number of observation

Mean = 11+23+11+32+31+30+13+10+22+10/10

Mean= 193/10

Mean= 19.3

b) mean = 193+27/10

mean = 220/10

Mean = 22

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