Use the Following Information for Questions:
a Representative Sample $\hat{y}$

Multiple Choice

Use the following information for questions:
A representative sample of 190 students resulted in a regression equation between y = left hand spans (cm) and x = right hand spans (cm) . The least squares regression equation is $\hat{y}$ = 1.46 + 0.938 x. The error sum of squares (SSE) was 76.67, and total sum of squares (SSTO) was 784.8.
-What is the estimated standard deviation for the regression, s?

A) 0.6352
B) 0.6369
C) 0.6386
D) None of the above