Determine whether the samples are independent or consist of matched pairs. The e

Question

Determine whether the samples are independent or consist of matched pairs. The effectiveness of Prilosec, for treating heartburn is testing by measuring gastric acid secretion. A group of patients is treated with Prilosec and another group of patients given a placebo. The effectiveness of Prilosec for treating heartburn is testing by measuring gastric acid secretion in patients before and after the drug treatment. The data consists of the before/after measurements for each patient. The accuracy of verbal responses is tested in an experiment in which subjects report their weight and they are then weighted on a physician's scale. The data consists of the reported weight and the measured weight for each subject. The effect of sugar in an ingredient is tested with a sample of cans of regular Coke and another sample of cans of diet Coke.

Explanation / Answer

A and B are matched pairs C and D are matched pairs

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