F-test for overall significance of all coefficients
Testing whether the relationship between y and all x variables is significant.
The null hypothesis is that the coefficients are not jointly significantly different from zero.
The alternative hypothesis is that the coefficients are jointly significantly different from zero.
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Use the F-distribution
o The test statistic F = MSR/MSE
o The critical values are from the F distribution
o The F-test is an upper one-tail test