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Confidence Interval for Hemoglobin Large samples of women and men are obtained, and the hemoglobin level is measured in each subject. Here is the 95% confidence interval for the difference between the two population means, where the measures from women correspond to population 1 and the measures from men correspond to population 2: − 1.76 g/dL < μ1, − μ2< −1.62 g/dL.
a. What does the confidence interval suggest about equality of the mean hemoglobin level in women and the mean hemoglobin level in men?
b. Write a brief statement that interprets that confidence interval.
c. Express the confidence interval with measures from men being population 1 and measures from women being population 2.
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Pearson eText for Essentials of Statistics -- Instant Access (Pearson+)
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