Find the critical value or values of
Χ2based on the given information.
H1: σ > 26.1n = 9α = 0.01
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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.
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