QUESTION 5 Consider the returns on the S&P 500 Index (ticker symbol 'GSPC) during the 120 months from 12/31/2007 to 12/29/2017 . What was the median monthly return over this period? (Answer as a % with two decimal places, e.g. enter "0.23", without the quotes, if your answer is 0.23%.) QUESTION 6 Consider the returns on the S&P 500 Index (ticker symbol 'GSPC) during the 120 months from 12/31/2007 to 12/29/2017 . What was the sample standard deviation of monthly returns over this period? (Answer as a % with two decimal places, e.g. enter "0.23", without the quotes, if your answer is 0.23%.) QUESTION 7 In which period was the standard deviation of monthly returns higher on the S&P 500 Index (ticker symbol 'GSPC): Dec 2007 to Dec 2012 (first 60 months) or Dec 2012 to Dec 2017 (second 60 months)? O Dec 2007 to Dec 2012 O Dec 2012 to Dec 2017 O The standard deviations were the same. O This question has no