Standard Deviation Flashcards
1
Q
SD | step one
A
- calculate the mean of scores
2
Q
SD | step 2
A
-minus raw score from mean
3
Q
SD | step 3
A
-square the previous scores calculated
4
Q
SD | step 4
A
-add up all the squared scores
5
Q
SD | step 5
A
-minus one from total number of scores, then divide the previous total by this
6
Q
SD | step 6
A
-square root this answer to find S.D