we also need to know, Test statistic, P wave, conclusin, confidence interval suitable for testingcthe claim in part A. Does the confidence interval support the conclusion found in the hypothesis test? Because it contains ___?

An experiment was conducted to determine whether giving candy to dining parties resulted in greater tips. The mean tip percentages and standard deviations are given in the accompanying table along with the sample sizes No candy 81 19 43 133 Assume that the two samples are independent simple random samples selected Two candies : 21 31 21 58 | 2 31 from normally distributed populations, and do not assume that the population standard deviations are equal Complete parts (a) and (b). a. Use a 0.05 significance level to test the claim that giving candy does result in greater tips What are the null and alternative hypotheses? DA. HOW FAZ H. PFH2 View an example Textbook Get more help