10:44 AM webassign.net AT&T; LTE -18 points 8BBasikStsr 7.2 009. The college Phy
ID: 3304937 • Letter: 1
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10:44 AM webassign.net AT&T; LTE -18 points 8BBasikStsr 7.2 009. The college Physical Education Department offered an Advanced First Aid course last summer. The scores on the comprehensive final exam were normally distributed, and the z scores for some of the students are shown below My Robert, 1.25 Joel, 0.00 Juan, 1.75 an,-0.77 Susan, -1.94 Linda, 1.59 (a) Which of these students scored above the mean? (Select all that apply.) O Jan O Joel O Juan O Linda O Robert O Susan (b) Which of these students scored on the mean? (Select all that apply.) O Jan O Joel O Juan O Linda O Robert O Susan (c) Which of these students scored below the mean? (Select all that apply.) O Jan O Joel O Juan O Linda O Robert O Susan (d) If the mean score was = 141 with standard deviation = 25, what was the final exam score for each student? (Round your answers to the nearest whole number.) Robert Joel lan Juan Susan LindaExplanation / Answer
a) Above the mean = Positive z scores = Robert, Juan and Linda
b) On the mean = 0 z score = Joel
c) Below the mean = Negative z scores = Susan and Jan
d) Final scores for each student will be:
Robert: 141 + 1.25(25) = 172
Joel: 141 + 0.0(25) = 141
Jan: 141 - 0.77(25) = 122
Juan: 141 + 1.75(25) = 185
Susan: 141 - 1.94(25) = 92.5
Linda: 141 + 1.59(25) = 181
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