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The following are the last 10 run scores Colin got in cricket: 18, 25, 28, 15, 6, 18, 2, 4, 25, 15 a) Work out Colin's mean score. b) Colin plays cricket again on Sunday. He gets 31 runs. What is his new
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45 votes
The following are the last 10 run scores Colin got in cricket:

18, 25, 28, 15, 6, 18, 2, 4, 25, 15
a) Work out Colin's mean score.
b) Colin plays cricket again on Sunday. He gets 31 runs.
What is his new mean score?
Give your answers as decimals.

User Tiny Instance
by
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1 Answer

13 votes
13 votes
a) mean score = (18+25+28+15+6+18+2+4+25+15)/10
= 15.6 runs
Approximately 16 runs
b) (18+25+28+15+6+18+2+4+25+15+31)/11
= 17 runs
User Jesse Dearing
by
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