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14 May, 02:48

The following are the last 10 run scores Colin got in cricket: 21, 30, 10, 4, 19, 31, 5, 7, 17, 4 a) Work out Colin's mean score. b) Colin plays cricket again on Sunday. He gets 17 runs. What is his new mean score? I need answer in decimals

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  1. 14 May, 04:18
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    a) 21+30+10+4+19+31+7+17+4=148

    148 divided by 10 = 14.8

    b) 148+17=165

    165 divided by 11 = 15

    Step-by-step explanation:

    In math, the mean is the average of a set of numbers. To find the mean of a data set, add up all of the numbers in the set, and then divide that total by the amount of numbers in the set.
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