A population has a variance of 34 what is the standard

A population has a variance of 34.

a) What is the standard deviation of this population ? ( 2 decimal places).

b) What would the standard deviation of the mean be for a sample size of n= 14 from this population ? (to three decimal places).

c) What would the standard deviation of the sum be for a sample size of n= 14 from this population ? ( to two decimal places).

d) For what size sample would the variance of the mean equal 1?

e) For what size sample would the standard deviation of the mean equal 3?

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