NOTE: Use the Population Standard Deviation!! The accompanying data represent th
ID: 3300124 • Letter: N
Question
NOTE: Use the Population Standard Deviation!!
The accompanying data represent the pulse rates (beats per minute) of nine students. Treat the nine students as a population. Compute the z-scores for all the students. Compute the mean and standard deviation of these z-scores.
Student Pulse Student 1 77 Student 2 60 Student 3 60 Student 4 81 Student 5 73 Student 6 80 Student 7 80 Student 8 68 Student 9 73 Compute the z-scores for all the students.
Complete the table. Student z-score Student 1 ________ Student 6 _________ Student 2 ________ Student 7 _________ Student 3 ________ Student 8 _________ Student 4 ________ Student 9 _________ Student 5 ________ (Round to the nearest hundredth as needed.)
Compute the mean of these z-scores. The mean of the z-scores is ________. (Round to the nearest tenth as needed.)
Compute the standard deviation of these z-scores. The standard deviation of the z-scores is _________. (Round to the nearest tenth as needed.)
Explanation / Answer
The z scores will be:
Mean of z scores = 0
Standard deviation of z scores = 1
Student z score 1 0.56 2 -1.52 3 -1.52 4 1.04 5 0.07 6 0.92 7 0.92 8 -0.54 9 0.07Related Questions
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