Blog Posts

Questions Answers

Each of my blog posts are answers to questions my students have asked in my into stats classes. I try to keep my answers short and focused on the essential information the students need to know without diving too deep into theory. When I think it useful, I provide links to my Dr Dawn Wright blog where I go deeper to give more insight.

Recent Posts

Word cloud about Chi-square tests

Chi-square Tests Overview

Chi-square tests are very useful in understanding relationships and proportions. This is a concise overview.

Dog looking at tail

Tail of the Test?

How to determine which side of the distribution to use in your hypothesis test.

What is p-value

What is p-value?

Understanding p-value is often a challenge for stats students. Here is a focused explanation.

Feet on bathroom scales

Measurement Scales

This is a student’s question about the NOIR acronym for the most common measurement scales. Here is my answer:

Koala sleeping - woman drinking tea.

Z or T?

Picking the right distribution to use for your hypothesis test is important. For comparing means, we use either the z or the t-distribution. Here’s how to choose the right one.

Each of my blog posts are answers to questions my students have asked in my intro stats classes. I try to keep my answers short and focused on the essential information  intro to intermediate stats students need to know without diving too deep into theory. Where I think it useful, I do have links to my Dr.Dawn. Wright blog where I go deeper into the topics to give more insight.

Dr. Dawn Wright
Dr Dawn Wright

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