Asked by janet
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
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
Answers
Answered by
PsyDAG
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.
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.