Don't use excel. Include hypothesis, test, calculator function, p value , rejection decision and summary

219 218 213 3. Based on the data from six students, the regression equation relating the number of hours of preparation (xand test score(y) is y' = 67.3 + 1.07x. The same data yields r = 0.224 and the mean test score is 75.2. What is the best-predicted score for a student who spent 3 hours preparing for the test? 4. Among the four northwestern states, Washington has 51% of the total population, Oregon has 30%, Idaho has 11%, and Montana has 8%. A market Idaho, and 60 in Montana. At the 0.05 significance level, test the