ST The average American gets a haircut every 37 days. Is the average different for college students? The data below shows the results of a survey of 12 college students asking them how many days elapse between haircuts. Assume that the distribution of the population is normal. 27, 25, 33, 38, 38, 33, 26, 26, 34, 25, 36, 44 ncements What can be concluded at the the a = 0.01 level of significance level of significance? ments a. For this study, we should use Select an answer sions b. The null and alternative hypotheses would be: Ho: ?Y Select an answer Hi: ? Y Select an answer v C. The test statistic ? v (please show your answer to 3 decimal places.) us d. The p-value = (Please show your answer to 3 decimal places.) les e. The p-value is ?v a f. Based on this, we should Select an answer | the null hypothesis. e Drive g. Thus, the final conclusion is that ... O The data suggest the