Question: SCCoast an Internet provider in the Southeast developed the following

SCCoast, an Internet provider in the Southeast, developed the following frequency distribution on the age of Internet users. Estimate the mean and the standard deviation.
Age (years) Frequency
10 up to 20......... 3
20 up to 30......... 7
30 up to 40......... 18
40 up to 50 ......... 20
50 up to 60......... 12


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  • CreatedDecember 10, 2014
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