Use the following contingency table to complete​ (a) and​ (b) below.       A   B   C   Total   1   15   35   40   90     2   40   50   60   150     Total   55   85   100   240

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question
Please complete part 3. 
 
Use the following contingency table to complete​ (a) and​ (b) below.
 
 
 
A
 
B
 
C
 
Total
 
1
 
15
 
35
 
40
 
90
 
 
2
 
40
 
50
 
60
 
150
 
 
Total
 
55
 
85
 
100
 
240
 
 
 
 
 

Question content area bottom

Part 1
a. Compute the expected frequencies for each cell.
 
 
 
A
 
B
 
C
 
1
 
20.62520.625
 
31.87531.875
 
37.537.5
 
2
 
34.37534.375
 
53.12553.125
 
62.562.5
 
 
 
​(Type integers or decimals. Do not​ round.)
Part 2
b. Compute
χ2STAT.
Is it significant at
α=0.005​?
 
Set up the null and alternative hypotheses to test. Choose the correct answer below.
 
 
A.H0​:πA=πB=πC H1​:Not all πj are equal​ (where j=​A,​B, C)
This is the correct answer.
 
 
Part 3
Compute χ2STAT.
 
χ2STAT=
​(Round to three decimal places as​ needed.)
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps

Blurred answer
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman