Session:9 Hypothesis Testing with One Sample
Formula Review
Introductory Business Statistics | Leadership Development – Micro-Learning Session
Rice University 2020 | Michael Laverty, Colorado State University Global Chris Littel, North Carolina State University| https://openstax.org/details/books/introductory-business-statistics
9.3 Distribution Needed for Hypothesis Testing
| Sample size | Test statistic |
|---|---|
| < 30 (σ unknown) |
tc=X¯¯¯−μ0s/n√
|
| < 30 (σ known) |
Zc=X¯¯¯−μ0σ/n√
|
| > 30 (σ unknown) |
Zc=X¯¯¯−μ0s/n√
|
| > 30 (σ known) |
Zc=X¯¯¯−μ0σ/n√
|
Table 9.6 Test Statistics for Test of Means, Varying Sample Size, Population Known or Unknown
9.4 Full Hypothesis Test Examples
Test statistic for a hypothesis test of proportions:
Zc=p‘–p0p0p0n√