5. The following data represent the number of packages of 5 popular brands of cigarettes sold by a supermarket on 9 randomly selected days. A D 21 32 38 35 41 19 45 31 36 23 35 32 29 45 22 28 25 47 12 27 31 48 60 40 53 42 29 36 42 30 35 14 25 20 23 25 33 33 25 42 40 25 29 31 25 Perform an Analysis of Variance, at 5% level of significance and determine whether or not the 5 brands, sell on the average, the same number of cigarettes at this supermarket.
5. The following data represent the number of packages of 5 popular brands of cigarettes sold by a supermarket on 9 randomly selected days. A D 21 32 38 35 41 19 45 31 36 23 35 32 29 45 22 28 25 47 12 27 31 48 60 40 53 42 29 36 42 30 35 14 25 20 23 25 33 33 25 42 40 25 29 31 25 Perform an Analysis of Variance, at 5% level of significance and determine whether or not the 5 brands, sell on the average, the same number of cigarettes at this supermarket.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Answer Number 5, Dont use P value Technique
Transcribed Image Text:150%
5. The following data represent the number of packages of 5 popular brands of cigarettes sold by a
supermarket on 9 randomly selected days.
B
D
21
32
38 35
41
19
45
31
36
23
35
32
29
45
22
28
25
47
12
27
31
48
60
40
53
42
29
36
42
30
35
14
25 20
23
25
33
33
25
42
40
25
29
31
25
Perform an Analysis of Variance, at 5% level of significance and determine whether or not the 5
brands, sell on the average, the same number of cigarettes at this supermarket.
A study is made to determine the force required to pull apart pieces of glued plastic. Three types
of plastic were tested using 4 different levels of humidity. The results, in kilograms, are given as
follows.
6.
Humidity
70%
30%
50%
90%
37.0
34.2
32.8
33.0
36.9
27.3
29.7
28.5
27.4
29,2
26.7
30.9
Perform an Analysis of Variance, at 5% level of significance to test the hypothesis that there is no
difference in the mean force required to pull the glued plastic apart.
When different types of plastic are used.
For different humidity conditions
a.
b.
ABC
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