The following are the P/E ratios (price of stock divided by projected earnings per share) for

17

banks.

25

,

19

,

20

,

21

,

19

,

23

,

22

,

31

,

15

,

29

,

18

,

29

,

22

,

22

,

18

,

43

,

29

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Find

25th

and

80th

percentiles for these ratios. (If necessary, consult a list of formulas.)

(a) The 25th percentile:
(b) The 80th percentile: