## Hypothesis Tests for Proportions and Means

The resources below were chosen to align with the Clackamas Community College statistics curriculum.

 Topic Web page Video Other Hypothesis Test for One Population Proportion Hypothesis test for a population proportion StatTrek Writing hypotheses, test for a population proportion brucesimmons.com Checking conditions, test for a population proportion brucesimmons.com Excel: Calculating the test statistic and p-value, test for a population proportion brucesimmons.com Assessing significance and writing a conclusion, test for a population proportion brucesimmons.com Hypothesis Test for the Difference of Two Population Proportions Hypothesis test for the Difference of Two Population Proportions StatTrek Writing hypotheses, test for the difference of population proportions brucesimmons.com Checking conditions, test for the difference of population proportions brucesimmons.com Excel: Calculating the test statistic and p-value, test for the difference of population proportions brucesimmons.com Assessing significance and writing a conclusion, test for the difference of population proportions brucesimmons.com Hypothesis Test for a Population Mean Hypothesis test for a population mean Note: this resource uses an unusual method to check conditions for inference StatTrek Checking conditions, test for a population mean brucesimmons.com Excel: Calculating the test statistic and p-value, test for a population mean brucesimmons.com Interactive demo: p-values for testing a population mean Practice of Business Statistics Hypothesis Test for the Mean of Paired Differences Hypothesis test for the mean of paired differences Note: this resource uses an unusual method to check conditions for inference StatTrek Checking conditions, test for the mean of paired differences brucesimmons.com Excel: Calculating the test statistic and p-value, test for the mean of paired differences brucesimmons.com Hypothesis Test for the Difference of Means Hypothesis test for the difference of means, pooled and unpooled SurfStat Australia Hypothesis test for the difference of means, unpooled Note: This page skips the step in which you check conditions. This step is necessary. StatTrek Checking conditions, test for the difference of means brucesimmons.com Excel: Calculating the test statistic and p-value, test for the difference of means, unpooled brucesimmons.com Excel: Calculating the test statistic and p-value, test for the difference of means, pooled brucesimmons.com Hypothesis Tests and Confidence Intervals General idea about confidence intervals vs hypothesis tests Little Handbook of Statistical Practice Example: Confidence interval and its interpretation alongside a related hypothesis test SurfStat Australia Confidence intervals and hypothesis tests, one population mean SurfStat Australia Hypothesis Tests and Confidence Intervals Cautions for hypothesis tests: statistical significance vs practical importance Little Handbook of Statistical Practice Instructional cartoon: Multiple tests on jelly bean data xkcd.com Interactive web page: Simulation based on the xkcd jelly bean cartoon Little Handbook of Statistical Practice Interactive web page: Simulation similar to above using cell phone data Little Handbook of Statistical Practice Topic Web page Video Other