Given the Following Information About a Hypothesis, and the Test

question 16

Multiple Choice

Given the following information about a hypothesis, and the test of the difference between two variances based on independent random samples, what is the critical value of the test statistic at a significance level of 0.05? Assume that the samples are obtained from normally distributed populations. H_A: σ²_A > σ²_B, ₁ = 12, ₂ = 9, s₁ = 5, s₂ = 3, n₁ = 13, n₂ = 10.

• A) 3.87
• B) 2.67
• C) 3.07
• D) 2.80
• E) 2.38

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Definitions:

Family Background

The social, economic, and educational characteristics and environments of one's parents or family of origin.

Genetic Factors

Elements within an organism's genetic makeup that influence traits, behaviors, and their susceptibility to diseases.

Bulimia Nervosa

An eating disorder characterized by episodes of binge eating followed by compensatory behaviors such as self-induced vomiting, aimed at preventing weight gain.

Bingeing And Purging

a cycle of overeating followed by induced vomiting or use of laxatives to prevent weight gain, characteristic of bulimia nervosa.