A Researcher Wants to Estimate the Mean Cholesterol Level of People

question 43

Multiple Choice

A researcher wants to estimate the mean cholesterol level of people in his city.A random sample of 21 people yields a mean cholesterol level of 224 and a standard deviation of 12.Construct a 95% confidence interval.

• A)(218.54,229.46)
• B)(214.97,233.03)
• C)(219.69,228.31)
• D)(219.60,228.40)
• E)(223.01,224.99)

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Definitions:

Rodents

A group of mammals characterized by a single pair of continuously growing incisors in each of the upper and lower jaws.

Goals Of Psychology

The aims of psychology are to describe, explain, predict, and control behavior and mental processes.

Describe

The act of giving a detailed account or explanation of the characteristics, properties, or attributes of something.

Predict

The act of making an educated guess about the future based on current knowledge, data, or patterns.