You are given the following information from fitting a multiple regression with three variables to 3

/in /by

You are given the following information from fitting a multiple regression with three variables to 30 sample data points

b1 = 13

b2 = 100

b3= 252

Sb1= 03

Sb2 = 20

Sb3 = 150

Test the following Hypothesis, Use ? = 005

a ?1 = 0

b ?2 = 0

c ?3 = 0