The table below shows the annual returns for a stock over the last four years. Year Return 2018 -12% 2019 15% 2020 27% 2021 -34% a. What is the stock’s average return over the 2018–2021 period? b. What is the standard deviation of returns over this same period?

Essentials Of Investments
11th Edition
ISBN:9781260013924
Author:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Publisher:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Chapter1: Investments: Background And Issues
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) The table below shows the annual returns for a stock over the last four years.
Year
Return
2018
-12%
2019
15%
2020
27%
2021
-34%
a. What is the stock's average return over the 2018-2021 period?
b. What is the standard deviation of returns over this same period?
MacBook Pro
Transcribed Image Text:) The table below shows the annual returns for a stock over the last four years. Year Return 2018 -12% 2019 15% 2020 27% 2021 -34% a. What is the stock's average return over the 2018-2021 period? b. What is the standard deviation of returns over this same period? MacBook Pro
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