3. Let X be the weight (in pounds) of pumpkins grown in a certain county (county A) in Kentucky. Assume that X is N(μA, O2). A sample of 9 pumpkins was selected and the results are shown below: 5.72 6.91 7.22 6.38 7.26 5.94 8.39 7.04 5.26 Conduct the following hypothesis test: Hoo=1.0 against Ha: < 1.0 Use a significance level of a=.10 and a x² test. A) Identify the critical region. B) Compute the test statistic. C) What is your decision for the hypothesis test? Justify your answer.

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I need help with part A,B and C.
3. Let X be the weight (in pounds) of pumpkins grown in a certain county (county A) in Kentucky.
Assume that X is N(μA, O2). A sample of 9 pumpkins was selected and the results are shown
below:
5.72 6.91 7.22 6.38 7.26 5.94 8.39 7.04 5.26
Conduct the following hypothesis test:
Hoo=1.0 against Ha < 1.0
Use a significance level of a=.10 and a x² test.
A) Identify the critical region.
B) Compute the test statistic.
C) What is your decision for the hypothesis test? Justify your answer.
Transcribed Image Text:3. Let X be the weight (in pounds) of pumpkins grown in a certain county (county A) in Kentucky. Assume that X is N(μA, O2). A sample of 9 pumpkins was selected and the results are shown below: 5.72 6.91 7.22 6.38 7.26 5.94 8.39 7.04 5.26 Conduct the following hypothesis test: Hoo=1.0 against Ha < 1.0 Use a significance level of a=.10 and a x² test. A) Identify the critical region. B) Compute the test statistic. C) What is your decision for the hypothesis test? Justify your answer.
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