Question: I could not understand how to calculate this problem... I am completely stumped. Thank you... 1.Consider a data set containing the following values: The mean

I could not understand how to calculate this problem... I am completely stumped. Thank you...

1.Consider a data set containing the following values:

The mean of the preceding values is 84.875. The deviations from the mean have been calculated as follows:

a.If this is sample data, what is the sample variance one calculation I got was_154.982__and the other was 0___ and the standard deviation _________

b.If this is population data, what is the population variance _135.609______ and the standard deviation _________

c.Suppose the largest value of 99 in the data was misrecorded as 999. If you were to

recalculate the variance and standard deviation with the 999 instead of the 99, explain what would happen to the variance and standard deviation

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