In: Math
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. Compute the z-scores for all the students. Complete the table.
Student 1 .
Student 2
Student 3
Student 4
Student 5
Student6
Student 7
Student 8
Student 9
(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.) Enter your answer in each of the answer boxes.
Pulse Rates Student Pulse
Student 1 77
Student 2 61
Student 3 60
Student 4 80
Student 5 73
Student 6 80
Student 7 80
Student 8 68
Student 9 73