In Fig. R18, a= 21 B 24 C 42 D 48 E 69
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3. find the radius of circle p.4. find y.

1. the following set of data represents the number of waiting times in minutes from a random sample of 30 customers waiting for service at a department store. 4 5 7 10 11 11 12 12 13 15 15 17 17 17 17 17 18 20 20 21 22 22 23 24 25 27 27 31 31 32 a. determine the number of classes and class interval.

Can you simplify 4/7? 24 points will be awarded!