A Researcher Estimates the 90% CI for a Sample with a Mean

question 22

Multiple Choice

A researcher estimates the 90% CI for a sample with a mean of M = 8.9 and a standard error ( ) of 2.1.What is the confidence interval at this level of confidence?

• A)90% CI 4.8,13.0
• B)90% CI 5.5,12.4
• C)90% CI 6.8,11.0
• D)There is not enough information to answer this question.

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Definitions:

Spaghetti Consumption

The quantity of spaghetti consumed over a given period, often used as an indicator in dietary or food economic studies.

Utility Function

A mathematical representation of how different goods or bundles of goods provide satisfaction to a consumer.

Spaghetti Consumption

The amount of spaghetti eaten, often measured in terms of quantity over a specific time period.

Juliet

A reference to a major character from William Shakespeare's play "Romeo and Juliet," often symbolizing young love or tragic romance.