Suppose You Have Done a Simple Linear Regression Analysis Using

Multiple Choice

Suppose you have done a simple linear regression analysis using a sample of 50 data points in an attempt to find a linear connection between worker overtime hours (x) and worker productivity (y) for employees of Sky Marketing Enterprises.The correlation coefficient turned out to be -.80. If total variation in y was 22500, then the standard error of estimate, s_y.x, must be ______.

A) 13.0
B) 18.6
C) 14.4
D) 10.3
E) 12.5