95 points which tire

The next day the Professor placed them in separate rooms and gave them each the point exam. They quickly answered the first problem worth 5 points.

Cool, they thought! Each one in separate rooms, thought this was going to be easy. Then they turned the page. On the second page was written Positive, Upbeat Media. Notify me of new comments via email. Notify me of new posts via email. They missed the exam! Share this: Twitter Facebook. Like this: Like Loading Leave a Reply Cancel reply Enter your comment here Fill in your details below or click an icon to log in:. Email required Address never made public.

Name required. Follow Following. Adventist Youth Society Join other followers. Sign me up. Now the p -value turns out to be 0. I like having students use a single dataset to test one hypothesis that produces a very small p -value and another that yields a not-so-small p -value. The data collection takes very little time. You can then ask students to ponder several questions about the data that illustrate various aspects of statistical inference.

Before I close, I want to emphasize a concern that I mentioned, but only briefly, above: Needless to say, students in your class constitute only a convenience sample of students from your school. You could make a strong case that performing statistical inference on such data is inappropriate.

Nevertheless, I think this is a fun context that can be memorable for students, while allowing you to ask good questions about important topics in statistical inference. Using the data in 6 and some basic probability, students also can answer the question that they all are wondering about: What is the chance that the two students got away with it?

Alas, only about. Like Like. You are commenting using your WordPress. You are commenting using your Google account. You are commenting using your Twitter account. You are commenting using your Facebook account. Notify me of new comments via email. Notify me of new posts via email. Email Address:. This weekly blog provides ideas, examples, activities, assessments, and advice for teaching introductory statistics, all based on a three-word teaching philosophy: Ask good questions. See the first blog post here for answers to ten questions about this blog.

I have been teaching statistics, mostly at the introductory level for undergraduates, for thirty years. Start a Blog at WordPress. Ask Good Questions. As always, questions that I pose to students appear in italics. Also classify the variable as categorical or numerical.

Using an applet here to run this simulation produces an approximate null distribution as shown on the left: The graph on the right reveals that the approximate p -value is 0. Feel free to use software or a calculator. Show how you calculate this. What conclusion would you draw? Explain how this conclusion follows from the probability in b. Is this a parameter or a statistic? The test statistic is: The observed value of the sample proportion who selected the right front tire 0.

Here are the responses counts for my students in the Winter quarter of a Determine the expected counts for testing this hypothesis. Report the hypothesis, test statistic, and p-value. Summarize your conclusion. Students then produce the following table as they conduct the test: Now the p -value turns out to be 0. Share this: Twitter Facebook. Like this: Like Loading From: Uncategorized. Ann Watkins.

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