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

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

Example 178.5

Example 178.5 Use the data below to find the expected value for the cell count in the second row and first column (i.e. - find E21 )
                                                           Alcohol Consumption
                                      Abstainers    Less than 7 drinks    7 or more drinks
Congestive
Heart Failure    Yes         146                     106                              29
                             No         750                     590                             292
                            Totals    896                     696                             321
 

« back