Question

here is my table: happy job1 job 2 total no 30 50 80 yes 60 20...

here is my table:

happy job1 job 2 total
no 30 50 80
yes 60 20 80
total 90 70 160

how do i find the χ2obt and z critical?   I have an alpha level of 0.05

thank you!!

Math   Statistics-And-Probability   
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Homework Answers

Answer #1

O= observed data

E= expected value

==========================================

Tabulated Statistics: happy, Worksheet columns

Rows: happy   Columns: Worksheet columns

job1 job 2 All
no 30 50 80
   Expected count 45 35
yes 60 20 80
   Expected count 45 35
All 90 70 160

Cell Contents
      Count
   

Chi-Square Test

Chi-Square DF P-Value
Pearson 22.857 1 0.000

===============================================

Zcritical = Z(0.05) =1.645

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