The Institute of Education Sciences Measures the High School Dropout

question 6

Multiple Choice

The Institute of Education Sciences measures the high school dropout rate as the percentage of 16-through 24-year-olds who are not enrolled in school and have not earned a high school credential. Last year, the high school dropout rate was 8.1%. A polling company recently took a survey of 1,000 people between the ages of 16 and 24 and found that 6.5% of them are high school dropouts. The polling company would like to determine whether the dropout rate has decreased. When testing whether the dropout rate has decreased, the appropriate hypotheses are ________.

• A) H₀: p ≤ 0.065, H_A: p > 0.065
• B) H₀: ≥ 0.065, H_A: < 0.065
• C) H₀: p = 0.081, H_A: p ≠ 0.081
• D) H₀: p ≥ 0.081, H_A: p < 0.081

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Definitions:

Emulsion

A stable mixture of two or more immiscible liquids, such as oil and water, often with an emulsifier to maintain stability.

Colloid

A mixture wherein fine particles are dispersed throughout another substance without dissolving, such as in gels or emulsions.

Suspension

Liquid through which a solid is dispersed and from which the solid separates unless the liquid is kept in motion.

Equilibrium

A state of balance between opposing forces or actions.