Create page cheat sheet on these topics independent t-tests, t-tests for related samples, one-way ANOVA & post hoc testing. Showing the equations needed for an exam and important information about each topic.

Examples

The test statistic for a two-sample independent t-test is calculated by taking the difference in the two sample means and dividing by either the pooled or unpooled estimated standard error.

How to find mean, median, alpha, beta?

Candidate #2 received 32% of the votes and candidate #3 received 14% of the votes, with a margin of error of 6%. What does this information tell us about the popularity of these candidates?

A researcher collects 15 data points that yield a mean of 9.164 and a standard deviation (based on N - 1) of 2.377. If he is comparing the sample to a population mean of 10.6, what is the 95% confidence interval?

Showing how it was solved.

How to find Confidence interval dependent t.