Please make sure to work through these adjusted homework problems for HW #16 (due Tu/W, Feb 27/28):

# Chi-Squared Notes (W/Th, Feb 21/22)

Today we covered chapter 26 in the textbook - Chi-Squared tests (all three types). Here are the notes / example problems:

- Notes [WEB] 9.1 - Chi Squared [All 3 types]
- Chi-Squared Foldable
- HW #15 (P. 628 #3, 5, 9, 11, 13, 21, 23) Problems

Just as an FYI, there are no additional notes for the remainder of the unit (just more practice). However here are some additional student notes/practice, in case you would like additional reference:

# Review Unit VIII – Inference with Means

Here is the review for the last major exam of this six weeks (Th/F, Feb 15/16):

- Review Unit VIII (Inference with Means)
*(answers are on the last page)**Edit - Feb 14 12:56pm: A small typo was fixed in the conclusion for #12 on the answers page*

Here is an extra practice worksheet that covers all of inference (both means and proportions). Make sure to follow the directions and don't do more work than necessary!

# Worksheets for class #11

Today is a practice/lab day with inference with means. Here are the handouts:

# Paired t inference

Here are the notes and homework packet for class #10 (Tu/W, Feb 6/7), over paired t-procedures (difference in means between two NON-independent sets of measurements).