Sample size problems: Just state the minimum sample size Confidence intervals: state your result is a sentence, like "we are 95% confident that ? Is between blank and blank " Hypothesis tests: perform the appropriate hypothesis test, including all 5 steps. 1. Ho & H1 2. a= 3. Test 4. Test statistic and p-value 5. Decision about H0/ conclusion about H1 If the necessary conditions are not let, use the appropriate alternative test. 1. One Proportion- Binomial 2. Two proportion- randomization test for two proportions 3. One mean - sign test 4. Paired difference- Wilcoxon Signed Ranks 5. Two mean test- Mann Whitney 6. Anova- Kruskal Wallis 12) Hope selections for professional golf courses are changed each day of a PGA tournament. Are any of the days set up to be more difficult or easier? Here are the scores of 7 golfers on the four days of a tournament. ROUND 1 63 66 66 70 67 68 68 ROUND 2 65 67 67 65 68 67 67 ROUND 3 68 68 70 66 69 70 67 ROUND 4 65 67 67 69 67 67 70 At a 0.01 level of significance, test the claim that the mean scores produced by the four different rounds are equal