Enjoy learning Statistics Online! Please be sure to share and subscribe to our YouTube channel.


Course Documents

Chapter 1 - Intro

Chapter 2 - Methods for Describing Sets of Data

Chapter 3 - Probability

Chapter 4 - Discrete Random Variables

Chapter 5 - Normal Random Variables

Chapter 6 - Sampling Distributions

Chapter 7 - Confidence Intervals

Chapter 8 - Tests of Hypothesis: One Sample

Chapter 9 - Confidence Intervals and Hypothesis Tests: Two Samples

Sample Exam I: Chapters 1 & 2

Sample Exam II: Chapters 3 & 4

Sample Exam III: Chapters 5 & 6

Sample Exam IV: Chapters 7 & 8

Ask the Professor Forum

Professor, i have a question on example 106 on determining the sample size. How did you get the formula for that question?

Posted to STATS 2 on Sunday, February 2, 2014   Replies: 1

Professor Mcguckian
11:10 PM EST

Hi Christopher,

The formula can be added to your formula card. You do not need to memorize it; however, if you want to know where the formula comes from, watch the video below.

Professor McGuckian

Post a reply / comment below or click here to submit a new question to the forum.