Asked by James Logan on Jul 05, 2024
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A sample of 200 commuters in Boston indicated that they commute an average of one hour and fifteen minutes per day.The standard deviation of the sample was 25 minutes.Compute the 95% confidence interval for the average commute time of the population (in minutes).
Confidence Interval
An expanse of measurable outcomes, derived from sample analysis, foreseen to incorporate the hidden value of a population attribute.
Standard Deviation
A measure of the amount of variation or dispersion of a set of values from their mean.
- Achieve competence in the method of establishing a confidence interval for a population mean.
- Discern the connections among sample size, confidence level, and margin of error.
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Learning Objectives
- Achieve competence in the method of establishing a confidence interval for a population mean.
- Discern the connections among sample size, confidence level, and margin of error.