# I need help understanding how to do this. What's the mean annual return of the S&P 400 Midcap Index over the past 7 years? What's the standard deviation? What's the mean annual return of the NASDAQ-100 Index over the past 7 years? Calculate a coefficient of correlation of the two indexes' return. Explain what may be causing the changes in the indexes' return over the past 7 years.

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Asked May 8, 2019
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I need help understanding how to do this.

What's the mean annual return of the S&P 400 Midcap Index over the past 7 years? What's the standard deviation? What's the mean annual return of the NASDAQ-100 Index over the past 7 years? Calculate a coefficient of correlation of the two indexes' return. Explain what may be causing the changes in the indexes' return over the past 7 years.

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Step 1

Hello there!there are more than three sub-parts in the given question. According to our policies cannot answer more than three subparts. Please find how to fin mean annual return, Standard deviation and correlatoin coefficient of two indexes. If you have doubt in last part kindly make a new request.

The mean annual return of the S&P midcap Index over past 7 years is the average of annual return of S&P midcap Index. It can be calculated by adding the annual return of S&P midcap Index of past seven years and dvide by 7 to find the mean annual return of the S&P midcap Index,

Step 2

Standard deviation is the average of the deviation of data points from its mean which tell us about the spread in the data distribution. Standard deviation of S&P 400 Midcap Index can be found by using the below...

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