Needing help with question 4 - A-D

xy y =-0.3 +1.0x e =y-y 8 2 X K 0. 7 0. 7 0.0 0 Note that rejection of the null h 0.7 0 . 49 1. 8 3. 24 3. 6 1 . 7 0.1 0. 01 2.7 7.29 8. 1 2 .7 0.0 0 y are related. It merely makes UID WN H 3.4 16 11 . 56 13.6 3.7 -0.3 0. 09 4.9 25 24 . 01 24.5 4 . 7 0 . 2 0 . 04 regression line. Sum : 55 46.59 50 .5 0. 14 n= ,x= y= ooo Screen Shot 2022-... i EXERCISES SSE = Ce, = Se Exercises 4 and 5 should be done by hand. = [ x 2 - nx 2 ) 4. Flexible Budgeting (continued) Refer to SST = _(v. - V)= = Ex? - ny2 = Exercise 1. a. Test the hypotheses Ho: B1 = 0 versus SSR = Ha: B1 # 0 at the 5% level of significance. $ 2 State the decision rule, the test statistic value, and your decision. b, = Sbo = Sex + n (Ex - nx? ) b. From the result in part a, are production and overhead costs linearly related? yes they we be = Test the hypotheses Ho: B1 = 1 versus Ha: B1 # 1at the 5% level of significance. State the decision rule, the test statistic value, SSE and your decision. Se = n -2 n -2 d. From the result in part c, what can be concluded