After Computing a Confidence Interval, the Investigator Believes That the Results

question 66

Multiple Choice

After computing a confidence interval, the investigator believes that the results are meaningless because the width of the interval is too large. In reconstructing the interval,
The investigator should

• A) decrease the sample size
• B) increase the level of confidence
• C) increase the sample size
• D) reduce the population variance
• E) none of the above

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Definitions:

Molecules

The smallest units of a chemical substance that can exist independently while retaining the composition and chemical properties of the substance.

Thrombophlebitis

Inflammation of a vein caused by a blood clot.

Blood Clot

A semi-solid mass of blood that can form in the body's vessels, potentially leading to blockages and health issues.

Sialolithectomy

A surgical procedure to remove a stone from a salivary gland or its duct.