4 COEFFICIENT Β3NULL HYPOTHESIS

5.4 Coefficient β

3

Null hypothesis:

: β

3

=0

Alternative hypothesis: H

1

: β

3

≠0

From the chart above, we see:

We have:

, And p-value = 0.0025

Moreover ,*** means that the statistical significance of const equals to 1%

At 5% level of significance, we have enough evidence to reject

: β

3

=0

β

3

has meaning in model