Question: The following table gives the frequency distribution of the numbers

The following table gives the frequency distribution of the numbers of computers sold during the past 25 weeks at an electronics store.
Computers Sold Frequency
4 to 9............ 2
10 to 15........... 4
16 to 21........... 10
22 to 27........... 6
28 to 33........... 3
a. What does the frequency column in the table represent?
b. Calculate the mean, variance, and standard deviation.


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  • CreatedAugust 25, 2015
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