Question: The experimenter in Example 8.6 wondered whether there was a difference in the average daily intakes of dairy products between men and women. He took

The experimenter in Example 8.6 wondered whether there was a difference in the average daily intakes of dairy products between men and women. He took a sample of n 550 1 adult men and n 550 2 adult women and recorded their daily intakes of dairy products in grams per day. A summary of his sample results is listed in Table 8.5. Construct a 95% confidence interval for the difference in the average daily intakes for men and women. Can you conclude that there is a difference in the average daily intakes?

Table 8.5 Sample Values for Daily Intakes of Dairy Products Men Women

Table 8.5 Sample Values for Daily Intakes of Dairy Products Men Women Sample Size 50 50 Sample Mean 756 762 Sample Standard Deviation 35 30

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