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## Statistics

Use the following data to answer parts a, b, c, and d below (assume continuous data).  Be sure to reproduce the frequency distribution and add columns for cumulative frequency and cumulative percentage.

Interval                       Frequency

90-99                                4

80-89                              7

70-79                            11

60-69                              9

50-59                              8

40-49                              7

30-39                              5

20-29                              3

10-19                              2

0-9                                1

a.   Compute the 88th percentile.

b.   Compute the 33rd percentile.

c.   Compute the percentile rank for a score of 45.

d.   Compute the percentile rank for a score of 90.

Statistics and Probability, Statistics

• Category:- Statistics and Probability
• Reference No.:- M9712

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