Assume that all the distributions are normal, average is always taken to be the arithmetic mean x^- or mu. Which of these students scored below mean?

aortiH 2021-10-04 Answered
Assume that all the distributions are normal, average is always taken to be the arithmetic mean xˉ or μ. 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, 1.11 Juan, 1.66 Susan, –1.9 Joel, 0.00 Jan, –0.65 Linda, 1.46 (c) Which of these students scored below the mean?
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Expert Answer

odgovoreh
Answered 2021-10-05 Author has 107 answers
Jan and Susan both have negative z scores signifying they scored below the mean.
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The college physical education department offered an advanced first aid course last semester. The scores on the comprehensive final exam were normally distributed, and 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 If the mean score was μ=150 with standard deviation σ=20, what was the final exam score for each student?

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