A company is doing a hypothesis test on the variation of quality from two suppliers. Both distributions are normal, and the populations are independent. use a = 0.01 2 Ho : 0 1 =0 , 2 O 2 HA : 0 12 > o 2 2 The standard deviation of the first sample is 3.4364 4.8785 is the standard deviation of the second sample. The test statistic is %3D

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A company is doing a hypothesis test on the variation of
quality from two suppliers. Both distributions are normal,
and the populations are independent. use a = 0.01
2 = 0 2?
2
HA : σ1
2
> 0 2
The standard deviation of the first sample is 3.4364
4.8785 is the standard deviation of the second sample.
The test statistic is
Fail to reject the null hypothesis
Reject the null hypothesis
Transcribed Image Text:A company is doing a hypothesis test on the variation of quality from two suppliers. Both distributions are normal, and the populations are independent. use a = 0.01 2 = 0 2? 2 HA : σ1 2 > 0 2 The standard deviation of the first sample is 3.4364 4.8785 is the standard deviation of the second sample. The test statistic is Fail to reject the null hypothesis Reject the null hypothesis
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