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. Hypotheses Ho: μ = 9.8 Ha: μ> 9.8 Ho: μ = 80 Ha: μ < 9.8 Given x = 10.0 s = 4.3 n = 12 α = 0.05 x = 75 S = 19 n = 20 α = 0.05 Rejection Region Test Value Decision

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