This week we'll look at how to compare two different population means using the two-sample t-test and two-sample t-confidence intervals. These are the second two formulas on the Interactive Formula Sheet.
Goal. To introduce the two sample t-distribution methods.
Step 1. Read these notes: Two sample t-distribution methods
Step 2. Try this workshop: Cloud Seeding
Step 3. After you have tried the workshop, here are my solutions and commentary: YouTube video
Step 4. I've posted the homework for this week. You should try to solve all five of the problems by Friday. On Friday, I'll have you submit some of your solutions online.
Goal. To practice using the two-sample t-distribution methods.
Step 1. Try this workshop: Garcinia Cambogia
Step 2. Here is a video with my solutions to the workshop: YouTube
Step 3. Let me know if you have any questions about the workshops or homework.
Goal. To introduce matched pairs data.
Step 1. Try this workshop: Matched pairs data
Step 2. Here is a video with my solutions to the workshop: YouTube
Step 3. Be sure to submit this week's homework today using the link I e-mailed last night. You can submit your solutions any time today (I'll accept solutions as late as 11:59pm).