Question

Consider the following frequency distribution. Class Frequency 2 up to 4 14 4 up to 6...

Consider the following frequency distribution.

Class Frequency
2 up to 4 14
4 up to 6 66
6 up to 8 74
8 up to 10 14

a. Calculate the population mean. (Round your answer to 2 decimal places.)

Population mean

b. Calculate the population variance and the population standard deviation. (Round intermediate calculations to at least 4 decimal places and final answers to 2 decimal places.)
Population variance
Population standard deviation
Math   Statistics-And-Probability   
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