1 - Intro - 9-2-2026

Dr. Richardson
HOMEWORK DUE AT 5PM

We can use AI :)

Coke: 1,3,4,7,8
Coke Zero: 2,5,6,9,10

6/10 correct initial guess
2/10 final guess

Review Stats 121

A/B Test (two sided T-value test)
The p-value gives the likelihood that the change from A/B is just random

Standard error - how much variation is in the mean of all of these (variation of a sample or part of sample)
Standard deviation - how much variation is in the mean of the