Reading 19

Instructions

Read the following before class on November 27:

• From Introductory Statistics with Randomization and Simulation: Chapter 2: read 2.7, 2.8

• Read the following Nature News Feature article about p values: “Scientific method: Statistical errors” by R. Nuzzo (PDF version)

Chapter 2.7 discusses how to model data using the normal distribution and chapter 2.8 discusses the meaning of confidence intervals and how to compute them for the normal distribution. The Nature article discusses the concept of “p-hacking” and the pitfalls of using p-values uncritically.

Github discussion thread

Click here to go to the question and answer thread for Reading 19.

To receive a question post credit

Write a post in this thread that contains at least 2 questions you had about this reading before the end of the day on November 28. If you have more than 2 questions, that is okay! This is to help you learn.

Your questions should be written as complete sentences, and make sure that you include enough context in your post that other students will understand what you’re asking about.

To receive an answer post credit

Read through the questions asked by other students in this thread. Answer one of the questions using full sentences before the end of the day on December 4. When answering the question, tag the student that asked the question by typing @username, replacing the word “username” with their actual Github account name. In addition, tag me @jkglasbrenner and the CDS-101 grader @shuaibm at the top or bottom of your response.