Suppose a Goodness-Of-Fit Test Is Used to Test the Claim

question 20

Essay

Suppose a goodness-of-fit test is used to test the claim that obesity rates in the elderly have changed since the time of the Egyptian mummies. The p-value is calculated to be 0.00023. Describe the value of the chi-square test statistic (is it likely to be large? small?) and the decision regarding the null hypothesis that there is no difference in obesity rates for mummies and modern-day elderly people.

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Definitions:

Overeating

The consumption of food in quantities greater than the energy expenditure of the individual, often leading to weight gain.

Bulimia Nervosa

An eating disorder characterized by episodes of binge eating followed by behaviors to prevent weight gain, such as vomiting or excessive exercise.

Intentionally Vomits

The act of deliberately inducing vomiting, often as a harmful method to control body weight or in response to eating disorders.

Weight Control

The practice of managing dietary habits and physical activity to maintain, gain, or lose weight effectively.