The analysis using the critical value approach

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Consider the following competing hypotheses and accompanying sample data. Use Table .

H0μ1 - μ2 = 5
HAμ1 - μ2 ≠ 5

  formula21.mml = 57 formula22.mml = 43
  s1 = 21.5 s2 = 15.2
  n1 = 22 n2 = 18

Assume that the populations are normally distributed with unknown but equal variances.

a. Calculate the value of the test statistic.

b. Using the p-value approach, test the above hypotheses at the 5% significance level.

c. Repeat the analysis using the critical value approach.

Reference no: EM131797566

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