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ASK THE PROFESSOR FORUM

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

Hi Professor,

I have a question about something you said when using the z-table in reverse in section 5.3 you said look up the closest one on the table and if you get stuck in the middle like both are just as equal you add a 5? What do exactly do you add the 5 to? Can you further explain that trick?

Posted to STATS 1 on Thursday, November 7, 2013   Replies: 1


Professor Mcguckian
11/07/2013
10:41 AM EST

Hi Natalie,

I created a short video explaining what I meant.

Hope it helps,

Professor McGuckian

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