9/3/2025

Introduce Ethan Liu - your MSSC tutor

Questions on the three Intro to R Markdown files

Step through Notes for Chapter 2 - see Section2.1-3 Notes.pdf

Hypothesis Test for p

Exercise 7

Large Sample Approximation

Exercise 9

Calculating Power - an example

Point Estimation

• Point estimator for probability of success
• Variance and standard deviation of point estimator

Confidence Intervals and Confidence Bounds

• General form of C.I.'s and C.B.'s
• Relationship between hypothesis tests and interval estimates

Sample Size Determination

Using RStudio for One Proportion - see OneProportion - Examples in R.RMD

Please complete your reading of Chapter 2 for class on Friday. We will have our first problem session on Friday.