I have a guilty secret. I really love probability problems. I am so happy to be making videos about probability just now, and conditional probability and distributions and all that fun stuff. I am a little disappointed that we won’t be … Continue reading →
I have a guilty secret. I really love probability problems. I am so happy to be making videos about probability just now, and conditional probability and distributions and all that fun stuff. I am a little disappointed that we won’t be … Continue reading →
To students of statistics Most of my posts are directed at teachers and how to teach statistics. The blog this week and next is devoted to students. I present principles that will help you to learn statistics. I’m turning them … Continue reading →
What can you do with ordinal data? Or more to the point, what shouldn’t you do with ordinal data? First of all, let’s look at what ordinal data is. It is usual in statistics and other sciences to classify types … Continue reading →
Our perception of chance affects our worldview There are many reasons that I am glad that I majored in Operations Research rather than mathematics or statistics. My view of the world has been affected by the OR way of thinking, … Continue reading →
The one-armed operations researcher My mentor, Hans Daellenbach told me a story about a client asking for a one-armed Operations Researcher. The client was sick of getting answers that went, “On the one hand, the best decision would be to … Continue reading →
The question of whether to teach explicitly the Central Limit Theorem seems to divide instructors along philosophical lines. Let us look first at these lines. There are at least three different areas of activity within the discipline of statistics. These … Continue reading →
I love to read George Cobb’s writing. In person I found him a kind and intelligent man, and a generous host. But his writing is laugh-out-loud funny at times, provocative and inspiring. I suspect that he may be the indirect … Continue reading →
My post suggesting that statistics is more vital for efficient citizens than algebra has led to some interesting discussions on Twitter and elsewhere. Currently I am beginning an exciting venture to provide support materials for teachers and students of statistics, … Continue reading →
For many people, a graph is not obvious. Let me illustrate: Here are two graphs showing the results from two classes of students in some mythical test out of 10. Have a look at them and decide which one shows … Continue reading →
