A Sample of a Given Size Is Used to Construct

question 76

Multiple Choice

A sample of a given size is used to construct a 95% confidence interval for the population mean with a known population standard deviation. If a bigger sample had been used instead, then the 95% confidence interval would have been ________ and the probability of making an error would have been ________.

• A) wider; smaller
• B) narrower; smaller
• C) wider; unchanged
• D) narrower; unchanged

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Definitions:

Diagnostic Process

A systematic method used by healthcare providers to determine a patient's disease or condition, based on the patient's symptoms, medical history, and results from diagnostic tests.

Causation

The relationship between cause and effect where one event (the cause) makes another event happen (the effect).

Secondary

Coming after, less important than, or resulting from someone or something else that is primary.

Upcoming Event

A scheduled occurrence that is planned to happen in the future.