Steps

Question 1

Steps:

Answer 1

1. Compute the mean
2. Compute the deviation (difference) between each respondent’s answer (data item) and the mean.
3. Compute the square of each deviation.
4. Compute the sum of squares by adding the squared figures.
5. To get the Variance divide the sum of squares by the number of data items.
6. Compute the square root of variance figure to get standard deviation