Asked by Sue 6

The middle 69% of a normally distributed population lies between what two standard scores? (Give your answers correct to two decimal places.)
0.69 and 0.31
Answered by PsyDAG
Between Z = -1 and Z = +1 are 68.26% of the scores.
Answered by Nichole🌻💛
The middl 55 of normally distributed population lies between what two standard scores?
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