Monthly stock prices (in $) for Corporation A and Corporation B are collected for five years. A portion of the data is shown in the accompanying table. Date A B 1/1/2014 41.39 32.83 2/1/2014 48.70 32.26 ... 12/1/2018 64.51 64.39 Click here for the Excel Data File a-1. Calculate the mean and the standard deviation for Corporation A. (Round final answers to 2 decimal places.) Mean Standard deviation a-2. Calculate the mean and the standard deviation for Corporation B. (Round final answers to 2 decimal places.) Mean Standard deviation b. Which corporation had the higher average stock price over the time period? Which corporation's stock price had greater dispersion as measured by the standard deviation? had the higher average stock price and stock price had greater dispersion.
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The mean stock price for Corporation 1 was 48.70 S, while the mean stock price for Corporation 2 was J2.26 S. The standard deviation for Corporation 1 was 12.12 S, while the standard deviation for Corporation 2 was 16.24 S. Show more…
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