Question: For the data in Table 7.6, the are 0.95 confidence interval for the difference between the means based on Welchs method is (1.96, 20.83). Check

For the data in Table 7.6, the are 0.95 confidence interval for the difference between the means based on Welch’s method is (1.96, 20.83). Check this result with the R function yuen.

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