Homework: Section 3.4 Homework Score: 0 of 1 pt 3.4.29 IO of 12 (11 complete) HW

Question

Homework: Section 3.4 Homework Score: 0 of 1 pt 3.4.29 IO of 12 (11 complete) HW Score: 83 33%, 10 of 12 Question Hep The accompanying data represent the puise 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 E, click the icon to view the data table Compute the z scores for all the students Complete the table 10 Puise Ranes t O Puise Rates z-score Student Student Student 6 Student 3 Student 4 Student 8 Student Student 1 Student 2 Student 3 Puse Student 9 60 Round to the nearest hundredth as needed ) Student 4 Student 5 72 Student 6 Student 7 Student 8 6 Student 973 80 80 Print Done Enter your answer in the edit fields and then click Check

Explanation / Answer

For the given data,

Sample mean = 72.22

Sample standard deviation = 8.07

Formula for z score:

z = (X - Mean)/SD

Hence,

The z scores will be:

Student Pulse Student 1 0.59 Student 2 -1.51 Student 3 -1.51 Student 4 0.96 Student 5 -0.03 Student 6 0.96 Student 7 0.96 Student 8 -0.52 Student 9 0.10

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