A University Is Interested in Promoting Graduates of Its Honors

question 40

Multiple Choice

A university is interested in promoting graduates of its honors program by establishing that the mean GPA of these graduates exceeds 3.50. A sample of 36 honors students is taken and is found to have a mean GPA equal to 3.60. The population standard deviation is assumed to equal 0.40. To establish whether the mean GPA exceeds 3.50, the appropriate hypotheses are ________.

• A) H₀: μ ≤ 3.50, H_A: μ > 3.50
• B) H₀: ≤ 3.50, H_A: > 3.50
• C) H₀: μ ≥ 3.50, H_A: μ < 3.50
• D) H₀: ≥ 3.50, H_A: < 3.50

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Definitions:

Restriction of Range

A statistical issue where the variance of a variable is limited, potentially affecting the results or conclusions of research.

Twin Studies

A research method used to assess the relative influence of genetic and environmental factors on individual traits and behaviors by comparing monozygotic (identical) and dizygotic (fraternal) twins.

Genetic Influences

The effects of genes passed from parents to offspring that contribute to individual characteristics and behaviors.

Morningness-Eveningness

A spectrum indicating an individual's natural preference for being active and awake in the mornings or evenings.