T-Test: What It Is With Multiple Formulas and When to Use Them

Read on to learn more about what a t-test is, the different formulas used, and when to apply each type to compare means and analyze statistical significance.
Investopedia

P-Value: What It Is, How to Calculate It, and Examples

Brian Beers is a digital editor, writer, Emmy-nominated producer, and content expert with 15+ years of experience writing about corporate finance & accounting, fundamental analysis, and investing.
CU Boulder News & Events

Statistical Significance" and Statistical Reporting: Moving Beyond Binary

McShane, Blakeley B.; Bradlow, Eric T.; Lynch Jr., John G.; Meyer, Robert J. "Statistical Significance" and Statistical Reporting: Moving Beyond Binary. Journal of ...
Psychology Today

How Did the Concept of Statistical Significance Arise?

It may be common knowledge that p < .05 indicates statistical significance. Psychology students (and others) are often taught that p < .05 means the probability (p) of rejecting the null hypothesis ...
The Conversation

Absence of evidence is not evidence of absence – and that affects what scientific journals choose to publish

Should you believe the findings of scientific studies? Amid current concerns about the public’s trust in science, old arguments are resurfacing that can sow confusion. As a statistician involved in ...