## Response Bias Project

Would your decision to eat a delicious hamburger change if you knew the nutrition information? Would you admit to texting and driving in a personal interview…or if a survey was anonymous? These two questions and many others can expose a

## Does Beyonce Write Her Own Lyrics?

Learning Targets Identify the population and sample in a statistical study. Identify voluntary response sampling and convenience sampling and explain how these sampling methods can lead to bias. Describe how to select a simple random sample with technology or a

## Chapter 3 Review Day 1 – Barbie Bungee Finale

Depending on your schedule you may have one or two days to review Chapter 3.  We spent two days reviewing – Day 1 was the Barbie Bungee Finale and Day 2 we used a Google form to practice multiple choice,

## 150 Days of AP Stats is Coming Your Way!

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 allows students to “Experience First, Formalize Later”.  Each post also contains teacher discussion providing

## Why isn’t bias accounted for by the margin of error?

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 I quizzed my students over this for the first time I was surprised at how

## Predictions for the 2017 AP Statistics Exam

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 confident that some will be wrong.  Click the image to enlarge.

## NCTM Annual Conference 2017: Build the Story of Inference

We spent the last four days in beautiful San Antonio learning from many great stats educators (thanks Doug, Josh, and others) and eating tacos. Luke and Lindsey also facilitated a session titled: Statistics and the Redesigned SAT. Here are the

## Why do we Standardize Normal Distributions?

What happens when a distribution is standardized? Let’s take a look at an example. Here is a distribution of test scores and the associated summary statistics.   Now let’s see what happens to the distribution when we standardize all of

## Mutually Exclusive Events? Ask Turner

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 general addition rule for probability. The general addition rule Most students have seen

## Applebees vs. Starbucks “OR”

There are times in statistics when we have to fight the English language because we need a more specific and precise definition of the English word (bias, plausible, significant). “OR” is a classic example. Applebees “OR” You decide to go