Last year, we made a blog post for every school day of the year for our Intro Stats class. Every new lesson includes an activity that...

When teaching confidence intervals, we talk about how bias is not accounted for by the margin of error.  Seems easy enough to me, so when...

Today in class, I made my predictions for the 2017 AP Statistics Exam.  I am confident that some will be right and I am most certainly...

We spent the last four days in beautiful San Antonio learning from many great stats educators (thanks Doug, Josh, and others) and eating...

What happens when a distribution is standardized? Let’s take a look at an example. Here is a distribution of test scores and the...

This is Turner. He is in my 3rd hour AP Statistics class. He has blue eyes. He is the reason that students in this class understand the...

There are times in statistics when we have to fight the English language because we need a more specific and precise definition of the...

Two-Way Table Two-way tables provide a clear and concise method for organizing probabilities for two events. I have discovered that...

Today we have Josh Tabor as our guest blogger.  Josh is a high school statistics teacher at Canyon del Oro high school in Arizona.  He...

The most important lesson of the school year If I could gift my students with only one single concept that they could take from my class...

We use z-scores and Table A to help us find area under normal distributions (P-value) so that we can make a conclusion to a significance...

Most of our students will have no trouble calculating a z-score. But interpreting the z-score is a much more important concept for...

Use the same format as the AP Exam The AP Statistics Exam consists of 40 multiple-choice questions and 6 free response questions....

You have given a great test .  Now it is time to grade it. Grade them the same day and return them the next day Remember back to your own...

After spending over 50 hours this past summer grading the 2016 AP Statistics Exam , I have some new thoughts about standardized testing....

Fancy calculators allow our statistics students to do a whole lot of statistics that would be very tedious to do by hand. Unfortunately...

In another post, we argued for the use of applets instead of graphing calculators in order to buy us more time for developing deep...