A Random Group of Seniors Was Selected from a University

question 2

Multiple Choice

A random group of seniors was selected from a university and asked about their plans for the following year. The school advising office claims that 60% of the students plan to work, 30% of the students plan to continue in school, and 10% of the students plan to take some time off. Is there evidence to reject this hypothesis at = 0.05?

• A) There is evidence to reject the claim that the students' plans are distributed as claimed because the test value 6.778 > 5.991
• B) There is not evidence to reject the claim that the students' plans are distributed as claimed because the test value 6.778 > 7.815
• C) There is evidence to reject the claim that the students' plans are distributed as claimed because the test value 6.778 > 7.815
• D) There is not evidence to reject the claim that the students' plans are distributed as claimed because the test value 6.778 > 5.991

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Definitions:

Subject Bias

A form of bias introduced into scientific or experimental research by participants' expectations, treatment, or response to the knowledge that they are being observed.

Sampling Effect

A statistical effect in which the observed variability is not representative of the underlying population due to the sample size or method of selection.

Placebo Effect

A phenomenon where individuals experience a perceived improvement in condition solely because they believe they are receiving treatment, despite no active therapeutic element being present.

Placebos

Inert substances or treatments used in controlled experiments to test the effectiveness of medical drugs by comparison.