A Social Scientist Claims That the Average Adult Watches Less

question 10

Essay

A social scientist claims that the average adult watches less than 26 hours of television per week. He collects data on 25 individuals' television viewing habits, and finds that the mean number of hours that the 25 people spent watching television was 22.4 hours. If the population standard deviation is known to be 8 hours, can we conclude at the 1% significance level that he is right?

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Definitions:

Reliability

The degree to which an assessment tool produces stable and consistent results over time.

Standard Descriptions

This term may refer to established, widely accepted definitions or explanations for terms, concepts, or phenomena, often used in academic, scientific, or technical contexts for clarity and consistency.

Validity

The extent to which a concept, conclusion, or measurement is well-founded and likely corresponds accurately to the real world.

Reliability

The degree to which an assessment tool produces stable and consistent results across different occasions and conditions.