maybellforever120215
18.02.2020 •
Mathematics
The accompanying data represent the pulse rates (beats per minute) of nine students. Treat the 9 students as a population. Compute the z-scores for all the students. Compute the mean and standard deviation of these z-scores.Student Pulse z-score1 762 613 604 805 726 807 808 689 73Complete the table z-score (round to the nearest hundredth as needed)The mean of z-score is The standard deviation of the z-scores is?
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Ответ:
the answer is C. 7 because 328 divided by 50 is 6.56 so it would round to 7