Competency
Develop a confidence interval for a population parameter.
Project Deliverable tie to Competency
In the third assignment, you will construct and interpret confidence intervals, which is a fundamental concept in inferential statistics. By estimating population parameters such as the mean and proportion using sample data, you will gain a deeper understanding of how statistics can be used to make informed decisions under uncertainty. You will apply Excel formulas to construct confidence intervals, interpret their meaning in context, and determine the appropriate sample size needed to achieve a desired level of precision.
Scenario
Your boss at RAS Direct has been impressed with your statistics skills so far. They
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