Question

Question The dean of a university estimates that the mean number of classroom hours per week for full-time fauty is 110. As a member of the student Council, you want to test this claim Indom sample of the number of classroon hours foreight for one work is shown in the table below. A 001, can you reject the dean's cam? Complete parts a though it below. Assume the population is normally distributed 122 11.5 7.1 51 9.5 148 (a) Wine the daim mathematically and identity and Which of the following comedy states and H.? OAH: 110 OB 110 Hep 11.0 OL H:10 OD H110 OCH 10 H110 OF 110 M-110 Use technology to find the value P-Round to the decimal places in red.) Decide whether to reject ortal to the hypothesis Which of the following is correct? O He because the list than the scale OB Focus Pithan the significance level OC. Reiche P value is loss than the significance vel. OD at He because the prethan the significance level to the down in the context of the O A. vel of significance or video com that the manuter of com hours per woorm faculty is 110 OB Avlonience there is not corette chat the measure of hours performs 110 ODA vene, his mother of MILAN Type here to search w 3 S 4 6 8 7 5 2 1 Р W E R

Answer 1

n=8 Mean(X) = exi sols 78 6 8 = 9.83 Sample Standard deviation (s) = Ecai-nje h-) (-1 Sa & Elni- 9.832 8-1 i=1 Sa 2.86 fa The hull and alternative hypothesis area- option D Hoill=110 (claim) Hair I 110 (Two Tailed test) d= 0.01 Test statistic - X-M 9.83-11 A1.16 si su 2.86/8 (dta -1-1=8-1=7) P-value = P(t? Ittest! = P142 1-061) (using t-table) P-value= (P-value> >d) option D fail to Reject Ho because the P-value is greater than the significance level optia At the 1% level of significance, there is sufficient evidence to reject the claim that the mean number of classroom hours per week for full-time faculty is llo. 10.284 c) S01 on A