Find the mean first = sum of scores/number of scores
Subtract each of the scores from the mean and square each difference. Find the sum of these squares. Divide that by the number of scores to get variance.
Standard deviation = square root of variance
I'll let you do the calculations.
Find sd.
The differences between two sets of dependent data are -8, 4, -6, 10. Round to the nearest tenth.
A.) 4.3
B.) 195.5
C.) 6.8
D.) 8.5
1 answer
10 answers