Lesson 22: Inference about a Population Mean with Unknown Standard Deviation

Learning Outcomes.

• Determine if the data supports a hypothesis at a given significance level using known distributions.

Topic. This lesson covers: Inference about a Population Mean with Unknown Standard Deviation

• Openstax Introductory Statistics:
  • 9.3 Distribution Needed for Hypothesis Testing
  • 9.4 Rare Events, the Sample, Decision and Conclusion
  • 9.5 Additional Information and Full Hypothesis Test Examples
• Introductory Statistics by Sheldon Ross, 3rd edition: Section 9.4
• Statistics with Microsoft Excel by Beverly J. Dretzke, 5th ed., TDIST(x,df,tails), TINV(p,df), P. 140 – 153

WeBWorK. Sets 9.3-9.6 – due 12/11 at 4pm