Question: Consider the test of H 0 : 2 = 5 against : 2 < 5. Approximate the P-value for each of the following

Consider the test of H0: σ2 = 5 against : σ2 < 5. Approximate the P-value for each of the following test statistics.

(a) x20 = 25.2 and n = 20 

(b) x20 = 15.2 and n = 12

(c) x20 = 4.2 and n = 15

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