192701	0.19%
192702	4.44%
192703	0.43%
192704	0.71%
192705	5.74%
192706	-2.08%
192707	7.56%

left being the yyyy/mm date and right being the monthly simple return of market

Just need to show how to compute, no need to provide exact answer

1\\ convert monthly simple return into monthly continuously compounded return

2\\ average of monthly continuously compounded return

3\\ volatility (standard deviation) of monthly simple return AND monthly continuously compounded return