If We Have a 95% Confidence Interval of 14

question 7

Multiple Choice

If we have a 95% confidence interval of 14.69 < μ < 15.85 based on a sample of 18 values, what is the standard deviation of the sample?

• A) 1.17
• B) 1.39
• C) 1.44
• D) 1.49

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Definitions:

Work Schedule

A plan that outlines the days and hours designated for work activities, including start and end times and breaks.

Realistic Estimates

Accurate assessments or approximations based on current data and realistic assumptions.

Accurate Preliminary Data

Initial data that is correct and precise, often used to make decisions or start projects.

Large Project

A substantial endeavor that involves significant resources, time, and effort to complete.