Question: I've done this problem several times but for some reason when it gets to you variance and standard deviation I keep getting the wrong answers.

I've done this problem several times but for some reason when it gets to you variance and standard deviation I keep getting the wrong answers. if you could please thoroughly explain the solution I'd be very grateful thank you

Q2) A stock had the following annual returns: 14.27%, 27 16% , 09.53%, and -32.45% What is the stock's: a) expected return? What is the stock's: b) variance? (1 poin What is the stock's: c) standard deviation

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