The accompanying data represent the plse rates (beats per minute) of rnine stude

Question

The accompanying data represent the plse rates (beats per minute) of rnine 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. Click the lcon to view the data table. Compute the z-scores for all the students. Complete the table Pulse Rates z-score Student z-score Student 1 Student 2 Student Student 4 Student 5 Round to the nearest hundredth as needed.) Student 6 Student 7 Student8 Student 9 Student Student 1 Student 2 Student 3 Student 4 Student 5 Student 6 Student 7 Student 8 Student9 Pulsc 76 61 60 81 72 80 80 68 73 Print Done

Explanation / Answer

For the given data,

Mean = 72.33

Standard deviation = 7.95

Formula for z score = (X - Mean)/(Standard deviation)

Hence,

The table for z values will be:

Student z - score Student 1 0.46 Student 2 -1.43 Student 3 -1.55 Student 4 1.09 Student 5 -0.04 Student 6 0.96 Student 7 0.96 Student 8 -0.54 Student 9 0.08

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