The following are the last 10 run scores Colin got in cricket: 22, 35, 33, 18, 16, 12, 28, 18, 1, 16
a) Work out Colin's mean score.
b) Colin plays cricket again on Sunday. He gets 10 runs.
What is his new mean score?
Give your answers as decimals.
PLEASE HELP
PS. from hegarty maths

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