Question: Compute the standardized test statistic, x , to test the claim 2= 8.6 ifn = 12, s2=7.2, and a = 0.05. Round to three decimal

Compute the standardized test statistic, x , to test the claim 2= 8.6 ifn = 12, s2=7.2, and a = 0.05. Round to three decimal places. O A. 9.209 O B. 12.961 O C. 0.492 O'D. 18.490

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