Put the values in order from lowest to highest.
25th percentile will have 1/4 of the data below that number.
90th will have .9 of the data below that nu
The following are the P/E ratios (price of stock divided by projected earnings per share) for 16 banks.
19,15,43,22,18,25,29,18,19,34,22,15,24,14
Find 25th and 90th percentiles for these ratios
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