# Assume that all the distributions are normal, average is always taken to be the arithmetic mean xˉ or μ. A college Physical Education Department offer

Assume that all the distributions are normal, average is always taken to be the arithmetic mean $$\bar{x}$$ or $$\mu$$. A college Physical Education Department offered an Advanced First Air course last semester. The scores on the comprehensive final exam were normally distributed, and the the z scores for some of the students are shown below:

Robert, 1.10

Juan, 1.70

Susan, -2.00

Joel, 0.00

Jan, -0.80

Linda,1.60

Which of these students scored below the mean?

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Isma Jimenez
Jan and Susan both have negative z scores signifying they scored below the mean.