15 find the critical value

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Find the critical value or values of  

Χ2based on the given information.

H1: σ > 26.1
n = 9
α = 0.01

Jul 22nd, 2015

Thank you for the opportunity to help you with your question!

It is a right tailed test ( so only one critical value - to the right of the mean)

- and it is a T test because n is less than 30....

so using degrees of freedom 8 (which is n-1)
and alpha = 0.01

use your T table to look up your critical value (the answer will be positive) H1
: σ > 26.1 n = 9 α = 0.01.

= 20.090.

Please let me know if you need any clarification. I'm always happy to answer your questions.
Jul 22nd, 2015

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Jul 22nd, 2015
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Jul 22nd, 2015
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