SCENARIO 10-6 to Investigate the Efficacy of a Diet,a Random Sample of Sample

question 36

Essay

SCENARIO 10-6
To investigate the efficacy of a diet,a random sample of 16 male patients is selected from a population of adult males using the diet.The weight of each individual in the sample is taken at the start of the diet and at a medical follow-up 4 weeks later.Assuming that the population of differences in weight before versus after the diet follow a normal distribution,the t-test for related samples can be used to determine if there was a significant decrease in the mean weight during this period.Suppose the mean decrease in weights over all 16 subjects in the study is 3.0 pounds with the standard deviation of differences computed as 6.0 pounds.
-Referring to Scenario 10-6,the p-value for a two-tail is .

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Definitions:

Profit-Maximizing Principle

The economic principle that firms operate to achieve the highest possible profit from their operations, by adjusting output levels, pricing, or resource usage.

Marginal Analysis

An examination of the benefits and costs of an additional unit of change in economic decisions.

Marginal Benefit

The added gratification or usefulness that an individual acquires from the consumption of an additional unit of a good or service.

Marginal Benefit Curve

A graphical representation showing how the benefit to consumers changes with each additional unit consumed.