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Here are the returns on two stocks. Digital Executive Cheese Fruit January +17 +6 February -4 +1 March +6 +5 April +15 May June July

Here are the returns on two stocks. Digital Executive Cheese Fruit January +17 +6 February -4 +1 March +6 +5 April +15 May June July August Required: a-1. Calculate the variance and standard deviation...

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