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24 July, 07:37

Omar recorded the number of hours he worked each week for a year. Below is a random sample that he took from his data. 13, 17, 9, 21 What is the standard deviation for the data?

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  1. 24 July, 11:13
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    I put the given numbers into the statistics calculator and i got 5.164 which rounds up to 5.2 which is (C)
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