Question

I need help finding the percentile

data set: 7, 8, 9, 10, 11, 14, 16, 17, 19, 21, 22, 23

Note that the mean and standard deviation of the data are 14.8 and 5.7 respectively,

1. find the z-score of 21: 1.09 (solved)
2. find the percentile of 21: _____-th percentile (unsolved)

Answer 1

[AI-generated answer — Bot]

To find the percentile of 21, you need to use the z-score of 1.09 to look up the corresponding percentile in a z-score table. The percentile of 21 is approximately the 84th percentile.