Question: This question also has a part b, it asks for the standard deviation 10.3.24-BE Question Help Interval Frequency Stock analysis. The price-earning ratios of 100

This question also has a part b, it asks for the standard deviation

10.3.24-BE Question Help Interval Frequency Stock analysis. The price-earning ratios of 100 randomly selected stocks from -0.5 - 4.5 19 the New York Stock Exchange are: 4.5 -9.5 46 9.5 - 14.5 21 14.5 - 19.5 10 19.5 -24.5 24.5-29.5 29.5 -34.5 N - - a. Find the mean of the price-earning ratios. (Type an integer or a decimal. Round to two decimal places.)

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