In a national survey, middle school students report spending 3.1 hours per week on homework. Mr. Jones suspects that his students study more than the national average. Mr. Jones asks his class of 24 students about the amount of time they spend on homework, and the average for his class is 3.4 hours per week. Mr. Jones assumes the standard deviation of homework time in the population is 1.9 hours per week. Mr. Jones would like to set a = 0.1. What does Mr. Jones conclude? 0 He rejects the null hypothesis because the test statistic is less than the critical value. 0 He rejects the null hypothesis because the test statistic is greater than the critical value. 0 He fails to reject the null hypothesis because the test statistic is less than the critical value. 0 He fails to reject the null hypothesis because the test statistic is greater than the critical value