The following ANOVA table comes from regressing 60 monthly excess returns for a stock against excess returns for a market proxy. Calculate the standard deviation of excess returns for the stock. Express your answer as a decimal with four digits after the decimal point (e.g., 0.1234, not 12.34%).

	df	SS
Regression	1	0.079
Residual	58	0.0842
Total	59	0.1632