The Chi-Square Test in Your Paper Tests Nothing—The 'Hidden Assumptions' of Expected Frequencies

The chi-square test in the paper you submitted last month. In fact, that test might be 'testing nothing at all.'The ...

[Statistics for those in their 50s] What is 'free' about 'degrees of freedom'? Reviewing the chi-square test in 30 minutes before work

October 13th.Today, before work, I opened my workbook for the Grade 2 Statistics Certification exam for just 30 minutes.I ...