Donna is looking into investing a portion of her recent bonus into the stock market. While researching different companies, she discovers the following standard deviations of one year of daily stock closing prices. Perfect Plungers Plus: Standard deviation of stock prices =$1.25 The Azure Travel Company: Standard deviation of stock prices =$9.75 Based on the data and assuming these trends continue, which company would give Donna a stable long-term investment?

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Donna is looking into investing a portion of her recent bonus into the stock market. While researching different companies, she discovers the following standard deviations of one year of daily stock closing prices.

Perfect Plungers Plus:
Standard deviation of stock prices =$1.25
The Azure Travel Company:
Standard deviation of stock prices =$9.75

Based on the data and assuming these trends continue, which company would give Donna a stable long-term investment?

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