Please provide step-by-step instructions:

Regression analysis was applied between sales data (yin $1000s) and advertising data (xin $100s) and the following information was obtained.

= 12 + 1.8x

n= 17

SSR = 225

SSE = 75

sb1= .2683

Thetstatistic for testing the significance of the slope is

Group of answer choices

1.96.

6.71.

.56.

1.80.