A Researcher Hypothesizes That Freshmen Spend More Time Studying Than

question 102

Multiple Choice

A researcher hypothesizes that freshmen spend more time studying than sophomores, who spend more time studying than juniors, who spend more time studying than seniors. In conducting a one-way ANOVA with this data, how could the null hypothesis (H₀) be stated?

• A) H₀: Freshman > Sophomore > Junior > Senior
• B) H₀: μFreshman = μSophomore = μJunior = μSenior
• C) H₀: all μs are not equal
• D) H₀: μFreshman ≠ μSophomore ≠ μJunior ≠ μSenior

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Definitions:

Synthesize

The chemical process of combining two or more entities to form a new compound.

Cyclohexene

A cyclic hydrocarbon with the formula C6H10, characterized by a single carbon-carbon double bond within a six-membered ring.

Crossed-aldol Product

A compound formed from the condensation reaction between two different aldehydes or ketones under basic or acidic conditions, leading to a β-hydroxyaldehyde or β-hydroxyketone.

Benzaldehyde

An organic compound consisting of a benzene ring with an aldehyde functional group; used as a precursor in the synthesis of various chemicals.