Consider the test of H 0 : 2 = 5 against H 1 : 2

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Consider the test of H0: σ2 = 5 against H1: σ2 < 5. What are the critical values for the test statistic χ20 for the following significance levels and sample sizes?

(a) α = 0.01 and n = 20 

(b) α = 0.05 and n = 12

(c) α = 0.10 and n = 15

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Applied Statistics And Probability For Engineers

ISBN: 9781118539712

6th Edition

Authors: Douglas C. Montgomery, George C. Runger

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