A valet parking attendant is interested in when she gets bigger tips. To study this question, she records the amount of the tip given by her customers on 3 extremely hot summer days, 3 warm spring days, and on 3 cold winter days. Complete an Analysis of Variance (at = .05 level of significance) to test the differences between tip means.

Hot DayWarm DayCold Day

Tip$2.00$4.00$5.00

$2.00$4.00$6.00

$3.00$3.00$4.00

17.In words: What is the null hypothesis?

18.In words: What is the research hypothesis?