Test NH:σy <5.0 against AH: σy >5.0 with an alpha=.05. Perform this test.

Sample mean is 6.989

Sample std is 3.5438

n is 30

Im confused because its asking for to test σy, in the past its always beenμ. how do i go about solving this problem?

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- September 9th 2010, 07:49 AM #1

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- Sep 2010
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## Ttest question

Test NH:

*σy <5.0 against AH: σy >5.0 with an alpha=.05. Perform this test.*

*Sample mean is 6.989*

*Sample std is 3.5438*

*n is 30*

*Im confused because its asking for to test σy, in the past its always been*μ. how do i go about solving this problem?

- September 10th 2010, 05:12 PM #2