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

Answers:

19.3

20

Explanation:

$(11+23+11+32+31+30+13+10+22+10)/10=19.3\\(11+23+11+32+31+30+13+10+22+10+27)/11=20$