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Test 4 Question 2
Test 4
2.
Determine the critical values for these tests of a population standard deviation.
(a) A right-tailed test with 11 degrees of freedom at the á=0.01 level of significance
(b) A left-tailed test for a sample of size n=22 at the á=0.1 level of significance
(c) A two-tailed test for a sample of size n=29 at the á=0.05 level of significance
(a) The critical value for this right-tailed test is
(b) The critical value for this left-tailed test is
(c) The critical values for this two-tailed test are
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