A Manager of a Local Store Wants to Estimate the Mean

question 76

Multiple Choice

A manager of a local store wants to estimate the mean amount spent per shopping visit by
Customers. Summary statistics from a sample taken reveal the following:
The store manager wonders whether the population mean could have been $50 or $60.

• A) Since $60 is within the 95% confidence interval, the population mean is likely to be $60.
• B) Since $60 is not within the 95% confidence interval, the population mean is not likely to be $60.
• C) Since $50 is within the 95% confidence interval, the population mean is likely to be $50.
• D) Since $50 is not within the 95% confidence interval, the population mean is not likely to be $50.
• E) Since $60 is not within the 95% confidence interval, the population mean is not likely to be $60; however, it is likely to be $50.

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Definitions:

Schizophrenia

A chronic and severe mental disorder that affects how a person thinks, feels, and behaves, often characterized by delusions, hallucinations, and disordered thinking.

Bipolar Disorder

A mental disorder characterized by periods of depression and periods of elevated mood or mania.

Autism

A developmental disorder characterized by difficulties in social interaction, communication, and by restricted or repetitive patterns of thought and behavior.

Genetically Influenced

Traits or conditions that are affected by one's genetic makeup or heredity.