To test the null hypothesis that

H₀: b1=b2=b3=b4=b5=0

Dependent Variable: SHIPMENTS
Method: Least Squares
Sample: 1 455
Included observations: 455
Variable	Coefficient	Std. Error	t-Statistic	Prob.
INVENTORY	0.365953	0.068541	5.339149	0
MANAGERS	96.14189	6.157146	15.61468	0
MATERIALS	1.125039	0.01485	75.75942	0
NEWCAP	3.678462	0.270451	13.6012	0
SIC	72.69421	35.42677	2.051957	0.0408
WORKERS	17.19833	3.372032	5.100288	0
R-squared	0.982827	Mean dependent var		7333968
Adjusted R-squared	0.982636	S.D. dependent var		14441144
S.E. of regression	1902934	Akaike info criterion		31.76879
Sum squared resid	1.63E+15	Schwarz criterion		31.82312
Log likelihood	-7221.4	Hannan-Quinn criter.		31.7902
Durbin-Watson stat	1.969462

A. We can use F test with 5, 449 degree of freedom.

B. We can use F test with 449, 5 degree of freedom.

C. We can use t test with 449 degree of freedom.

D. We can use the adjusted R squared.