0 Question 12 v A random sample of size 32 yieLds a standard deviation of 9.8. At 0: = 0.05, test the claim that the popuLation standard deviation exceeds 9. 1. The alternate hypothesis is Ha: {:3 0'2 :3 9 2. This is a '31:? left'il! rightC two tailed test with d.f. = 3a. The STS [to 2 decimals] is x2 = 3b. The P-VaLue {to 3 decimals] is: 4a. At a: = 0.05, the decision is: '3' Reject Ho "'3' Accept Ha ""33 Do not reject Ho '52? Accept Ho 41:34 The conclusion is: '3' There is sufficient evidence to support the claim that population standard deviation exceeds 9 '3' There is insufficient evidence to reject the claim that population standard exceeds 9 '33:? There is sufficient evidence to reject the claim that population standard deviation exceeds 9 '33:? There is insufficient evidence to support the claim that population standard deviation exceeds 9 0 Question 13 v 112.3 87.2 102.4 100.7 103.5 121.6 94.5 97.1 109.3 108.3 98.6 107.6 94.3 103.4 94.3 102.7 94 107.6 93 94.2 114.6 105.3 Consider the random sample data in the table above. At or = 0.05, test the claim that the population standard deviation is less than 9.13. 1. The alternate hypothesis is Ha: '33:?- s q 9.13 '33:? J ~11 9.13 -:::::::- 52 e 9.13 -:::::z- 02 c 9.13 2. This is a '3 right'iiZZIi' leftC two tailed test with d.f. = 3a. The STS [to 2 decimals] is X2 = 3b. The P-value {to 3 decimals} is: 4a. At or = 0.05. the decision is: '53:? Do not reject Ho '33:} Accept Ho '33:? Reject Ho '53:? Accept Ha 4b. The conclusion is: '3' There is sufficient evidence to support the claim that population standard deviation is less than 9.13 '3' There is sufficient evidence to reject the claim that population standard deviation is less than 9.13 '33:? There is insufficient evidence to support the claim that population standard deviation is less than 9.13 '33:? There is insufficient evidence to reject the claim that population standard is less than 9.13