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

question 206

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 one-tail test is .

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Definitions:

Extraversion/Surgency

A personality trait marked by outward energy, sociability, talkativeness, assertiveness, and a high level of engagement with the external world.

Negative Affectivity

A personality trait characterized by a tendency to experience negative emotions such as sadness, anxiety, and anger more frequently and intensely than others.

Activity Level

A term in developmental psychology referring to the overall energy and frequency of behaviors displayed by an individual.

Adaptability

The capacity to adjust to changing conditions or environments, demonstrating flexibility and resilience.