A. Describe the purpose of one way analysis of variance. B. Identify the three conditions that must be met to perform analysis of variance tests.
A. Describe the purpose of one way analysis of variance. B. Identify the three conditions that must be met to perform analysis of variance tests.
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Answer A & B
Transcribed Image Text:QUESTION SIx
A. Describe the purpose of one way analysis of variance.
B. Identify the three conditions that must be met to perform analysis of variance tests.
C. The following table shows the satisfaction ratings recorded by 15 customers for
three different fast food chains on a scale of 1 to 10.
Chain 1
Chain 2
Chain 3
7
8
7
9
7
8
10
9.
8.
(i) State the one way analysis of variance hypothesis and calculate the total sum of
squares.
(ii) Partition the total sum of squares SST, calculated in problem (i) into the sum of
squares within (SSW) and the sum of squares between (SSB).
(iii) Perform a hypothesis test to determine whether there is a difference in the
customer satisfaction ratings of the store at a=0.05 significance level.
Co
3
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