Question: Suppose that Super Slim is advertising a weight reduction programme that they say will result in more than 10 lb weight loss in the first

Suppose that Super Slim is advertising a weight reduction programme that they say will result in more than 10 lb weight loss in the first 30 days. Twenty-six subjects were independently and randomly selected for a study, and their weights before and after the weight-loss programme were recorded. Super Slim have stated that the historical data show that the populations are normally distributed. Figure 6.25 shows the raw data and Excel solution. Conduct a two sample t-test for the population mean (dependent or paired samples) to test this hypothesis.

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