statistic of behavioral science
posted by Janice .
for each of the following, identify the exam score that should lead to the better grade. In each case, explain your answer.
A score of x=56, on an exam with the mean =50 and the standard deviation of 4; or a score of x=60 on an exam with the mean=50 and the standard deviation =20
Z = (score-mean)/SD
Which test has the highest Z score?