12 Use the results of problems 1 – 11. Choose the best comment.

37 See problem 34. Calculate the pvalue.

30 See problem 26. State the technical conclusion based on the traditional method.

15 Predict the number of muggings on a night when there are 12 police officers on the streets.

24 See problem 19. State the technical conclusion based on the pvalue method.

27 See problem 26. State the critical value.

08 See problem 1. State the technical conclusion based on the traditional t method.

28 See problem 26. Calculate the test statistic.

26 The team was interested in which pets are preferred by girls and boys. The table provides the number who preferred each. Test the claim that gender is independent of type of pet preferred.   Gender Dog Cat Other Pet No Pet Female 120 132 18 30 Male 135 70 20 25 State the null and alternative hypotheses.

04 See problem 1. Calculate the test statistic t.