21. A report on climate change reports that the mean daily temperature in the state during the summer months is 85.1F85.1F. You are not entirely convinced. You believe that it is less than 85.1F85.1F. a) If you going to test this claim, what would be your null and alternative hypotheses? H0H0: ? p = p p < p > p p = < > H1H1: ? p = p p < p > p p = < > b) What type of hypothesis test should you conduct?

• left-tailed
• right-tailed
• two-tailed

22. At the .05 significance level, does the data below show significant correlation?

x	y
1	23.05
2	19.9
3	22.95
4	24.5
5	21.45
6	33.9

• Yes, significant correlation
• No