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Chapter 22: Sample Size - Coggle Diagram
Chapter 22: Sample Size
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Minitab Method Selection
Means Testing
Use 1-Sample Z (unknown standard deviation), 1-Sample T (known standard deviation), or 2-Sample T (comparing two sets).
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Foundational Concepts
Confidence Interval
Also called the margin of error, defining the uncertainty associated with sampling.
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This chapter emphasizes that accuracy in inferential statistics requires an appropriate sample size to reduce the risk of error.