Recent Revenue Shortfalls in a Midwestern State Led to a Reduction

question 63

Multiple Choice

Recent revenue shortfalls in a Midwestern state led to a reduction in the state budget for higher education.To offset the reduction,the largest state university proposed a 25% tuition increase.It was determined that such an increase was needed to simply compensate for the lost support from the state.Random samples of 50 freshmen,50 sophomores,50 juniors,and 50 seniors from the university were asked whether or not they were strongly opposed to the increase,given that it was the minimum increase necessary to maintain the university's budget at current levels.The results are given in the following table. The chi-square statistic for these data equals 21.9.Are the data statistically significant at the 5% significance level under the appropriate null hypothesis?

• A)Yes
• B)No
• C)This cannot be determined from the information given.

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Definitions:

Filtering

A process of separating solids from liquids or gases using a medium that allows only the fluid to pass through.

Sodium Chloride

A white crystalline substance commonly known as salt, comprised of sodium and chloride ions.

Compound

A substance made up of atoms of two or more different elements joined by chemical bonds.