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📚 Python for Introductory Statistics: Lab Workbook
Chapters ▾
1. Introduction to Python2. Python List3. Python Syntax4. Python Loops5. Frequency Distributions and Graphs6. Measure of Center and Variation7. Measures of Position8 Discrete Probability Distributions9. Continuous Probability DistributionConfidence Intervals11. Hypothesis Testing12. Linear Regression and Correlation13. Analysis of Categorical Data14. Advanced Statistics TopicsLab AnswersReferencesAppendix 1Appendix 2: Random Integer GeneratorAppendix 3: FactorialsResources

11.1 Hypothesis Testing: Mean, z-test

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Lab 11.1.1

A government official claims that the average recovery time for Covid19 patients with mild symptoms is less than 2 weeks. A random sample of 25 patients with mild symptoms has a mean recovery time of 2.4 weeks with standard deviation of 0.9 weeks. Assume recovery time is normally distributed with standard deviation of 0.5 ( σ ) weeks. Test the government's official claim at α of 0.05. Use the z_test_mean function above.

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Adapted from Python for Introductory Statistics: Student's Lab Workbook, by Simon Aman (Truman College, City Colleges of Chicago), licensed under CC BY 4.0. Changes were made: reformatted as an accessible XYZ web edition with live in-browser code cells. License: CC-BY-4.0.