Sample Size Calculation Formula Using Standard Deviation
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Sample Size Calculation Formula Using Standard Deviation. Maureen p sullivan/getty images standard deviation is a calculation of the dispersion or variat. A low standard deviation means that all the values will be clustered .
So we will need to sample at least 186 (rounded .
Note that there is an alternative formula for estimating the . So we will need to sample at least 186 (rounded . Note that there is an alternative formula for estimating the . The margin of error = 1 and the standard deviation = 6.95.