A Customers per night 203 A club claims that they have an average of 200 customer per night. A study was 245 condusted, looking at how many people visited the club over 15 nights. The results are to the left. 190 192 What is the null hypothesis to examine their claim? Ho: 140 210 What is the alternative hypothesis to examine their claim? H1: 134 187 Which of the two hypotheses corresponds to the claim? 10 189 11 165 1.1 What is the sample mean? 12 223 13 180 1.2 What is the sample standard deviation? 14 178 15 234 1.3 What are the bounds of the critical regions, for a = 0.10 ? 16 204 17 1.4 What is the test static for the sample mean? 18 1.5 Is the null hypothesis rejected? 19 20 1.6 Is the claim supported? 21 22