If you are looking forward towards calculating the Standard Deviation and Standard Error of the Mean in Excel, please check this article.

The equation for the standard error of the mean is the sample standard deviation divided by the square root of the sample size.

Thus, Mean = ∑fi xi/∑fi = 2840/60 = 47.33 Thus, the mean weight of the given data is 47.34 Kg. Find Mean Using Assumed Mean Method Step 1: Create a table containing five columns: Column 1 ...