Asked by Shelle
The mean of a data set is 23 and 12.6. The z-score is -1.30. What is the standard deviation?
Answers
Answered by
PsyDAG
It would help if you proofread your questions before you posted them.
I am guessing that the second term is a specific score.
Z = (score-mean)/SD
or SD = (score-mean)/Z
Insert the values and solve for SD.
I am guessing that the second term is a specific score.
Z = (score-mean)/SD
or SD = (score-mean)/Z
Insert the values and solve for SD.
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