Answer:
C) 8.75%
Explanation:
Number of periods = 4 years
Given return rates = 20%, -10%, 20%, and 5%
To obtain the arithmetic average annual return, add the return rates given for all periods and divide the sum by the number of periods.

Over four years, the S&P 500 index delivered an arithmetic average annual return of 8.75%.
Business Intelligence. Business intelligence is a broad term that covers basically any information in any format that may be relevant to business strategies. This can include, transaction info, product info, trends, app statistics and so much more.
<span>Reject the null hypothesis since your F statistic is beyond the cutoff, and perform a post-hoc test to determine between which groups the significant difference occurs.</span>