The following data give the weights (in pounds) lost by 15 members of a health club at the end of 2 months after joining the club

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The following data give the weights (in pounds) lost by 15 members of a health club at the end of 2 months after joining the club.

4	24	11	18	12	4	11	13
12	16	7	4	7	16	14

a. Compute the values of the three quartiles and the interquartile range.

Q1= Enter you answer; Q1

Q2= Enter you answer; Q2

Q3= Enter you answer; Q3

IQR= Enter you answer; IQR

b. Calculate the approximate value of the 82nd percentile.
Enter an exact value.

Enter you answer in accordance to the item b) of the question statement

c. Find the percentile rank of 14.