(Data file: UN11) In the UN data, start with the parallel regression model (6.9). Test for equality of intercepts for the and other levels of the factor group. Test for equality of the intercepts for...

(Data file: UN11) In the UN data, start with the parallel regression model (6.9).

Test for equality of intercepts for the and other levels of the factor group.

Test for equality of the intercepts for group other and Africa.

(Data file: fuel2001) State the null and alternative hypotheses for the overall F-test for the fuel consumption data (Section 3.3). Perform the test and summarize results.