Asked by Herbert

This question says: Statistical information for a data set is given.
-the mean is 18.1
-the z-score for 13.0 is -1.7
What is the standard deviation of this set?

Answered by PsyDAG
Z = (score-mean)/SD

-1.7 = (13-18.1)/SD

-1.7SD = 13 - 18.1

Solve for SD.
There are no AI answers yet. The ability to request AI answers is coming soon!