(a) Determine the critical value for a right-tailed test of a population standard
Chapter 10, Problem 1(choose chapter or problem)
(a) Determine the critical value for a right-tailed test of a population standard deviation with 18 degrees of freedom at the a = 0.05 level of significance. (b) Determine the critical value for a left-tailed test of a population standard deviation for a sample of size n = 23 at the a = 0.1 level of significance. (c) Determine the critical values for a two-tailed test of a population standard deviation for a sample of size n = 30 at the a = 0.05 level of significance.
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