THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 116

Essay

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
The data shown below specify how much a sample of 20 executives paid in federal income taxes,as a percentage of gross income,are reproduced below.

Assume that the standard deviation for the underlying population is equal to 4.0.
-Closed caption movies allow the hearing impaired to enjoy the dialogue as well as the acting.A local organization for the hearing impaired people of the community takes a random sample of 100 movie listings offered by the cable television company in order to estimate the proportion of closed caption movies offered.They observed that 14 movies were closed caption.The cable television company says at least 5% of the movies shown are closed captioned.Prepare a 90% confidence interval for the true proportion P and comment on the cable television company's claim.

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Definitions:

Established Standards

Officially recognized criteria or benchmarks that are widely accepted and used as a basis for comparison or judgment.

Criterion Validity

The extent to which a measure is related to an outcome or, more specifically, the effectiveness of a test in predicting an individual's behavior in specific contexts.

Psychological Test

A standardized measure of a sample of a person's behavior or mental processes.

Personality Trait

A characteristic way of thinking, feeling, and behaving that is relatively stable over time and across situations.