STATWORDS: INTRODUCTORY STATISTICS

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

Interpreting a 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