Asked by pam
You measure 64 children, obtaining a X of 57.28. Slug says that bc this X is so close to the mean of 56, this sample could hardly be considered gifted .
A. Perform the appropriate statical procedure to determine whether he is correct.
B. In what percentage of the top scores is this sample mean?
A. Perform the appropriate statical procedure to determine whether he is correct.
B. In what percentage of the top scores is this sample mean?
Answers
Answered by
PsyDAG
Need standard deviation (SD) value.
Z = (score-mean)/SEm
SEm = SD/√n
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability related to Z score.
Z = (score-mean)/SEm
SEm = SD/√n
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability related to Z score.
There are no AI answers yet. The ability to request AI answers is coming soon!