Company Size Social Media Use Small Medium Large Yes 78 42 23 No 26 37 22 What is the calculated X2?
Company Size Social Media Use Small Medium Large Yes 78 42 23 No 26 37 22 What is the calculated X2?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Company Size
Social Media Use | Small | Medium | Large |
Yes | 78 | 42 | 23 |
No | 26 | 37 | 22 |
What is the calculated X2?
Expert Solution
Step 1
Observed values with marginal totals:
Step 2
Expected values:
Expected values are the product of the column and row total divided by the table total.
The expected frequency E11 is shown below:
Similarly, calculations made for other cells also.
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