Carry out a test of hypothesis on each of regression, Ask an Expert

Statistics

Predictor	Coef.	StDev.
Constant	20.00	10.00
X₁	-1.00	0.25
X₂	12.00	8.00
X₃	-15.00	5.00

SOURCE	DF	SS	MS	F
Regression	3	7,500.00
Error	18
Total	21	10,000.0

a) Complete the ANOVA table.

b) Carry out a global test of hypothesis, using the 0.05 significance level. Can you conclude that any of the net regression coefficients are different from zero?

c) Carry out a test of hypothesis on each of regression coefficients. Could you delete any of the variables?

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Category:- Statistics and Probability
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