A sales manager for an advertising agency believes there is a relationship between the number of contacts that a salesperson makes and the amount of sales dollars earned. A regression analysis shows the following results.

coefficients standard error t stat p value

Intercept -12.201 6.560 -1.860 0.100

Number of contacts 2.195 0.176 12.505 0.000

What is the standard error of the slope?

Multiple Choice

0.176

12.201

6.560

12.505