Practice Math Skills Find the critical value, draw the rejection region, compute the value of the test statistic, and make a decision whether to fail to reject or reject the null hypothesis. Group A B Hypotheses Ho: x₁-x₂ = 0 Ha: X1 X₂ #0 Sample Mean (x) x₁ = 97.25 x₂ = 87.25 Rejection Region Sample Standard deviation (s) S₁ = 3.65 $₂ = 9.60 Test Value Sample Size (n) nı = 8 n₂ = 12 Decision

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