Refer to Exercise 14.3 about studying French, with data shown again below. Using software, a. Compare the
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a. Compare the three pairs of means with separate 95% confidence intervals. Interpret.
b. Compare the three pairs of means with Tukey 95% multiple comparison confidence intervals. Interpret, and explain why the intervals are different than in part a.
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Statistics The Art And Science Of Learning From Data
ISBN: 9780321755940
3rd Edition
Authors: Alan Agresti, Christine A. Franklin
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