Given the Following Information About a Hypothesis Test of the Difference

question 139

Multiple Choice

Given the following information about a hypothesis test of the difference between two variances based on independent random samples,what is the calculated value of the test statistic? Assume that the samples are obtained from normally distributed populations.
H_A: ?²_A > ?²_B, $\bar { X }$
₁ = 12, $\bar { X }$
₂ = 9,s₁ = 5,s₂ = 3,n₁ = 13,n₂ = 10.

• A)F = 2.0
• B)F = 3.0
• C)F = 1.667
• D)F = 1.778
• E)F = 2.778

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Definitions:

Anti-Semitism

Prejudice, discrimination, or hostility directed against Jews as a religious or ethnic group.

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Describes territories in Europe that are considered the historical, cultural, or ethnic origin for various peoples or nations.

Human Variation

The genetic and phenotypic diversity within and across human populations and individuals.

Skin Color

Refers to the pigmentation of individuals' skin, which varies widely among populations and is influenced by genetics, sun exposure, and evolutionary factors.