The following table reports row-relative frequencies of the data from a survey on the ownership of iPods among families with different levels of income. Level of income Ownership C1 C2 C3 Total No 0.33 0.27 0.40 1 Yes 0.23 0.37 0.40 These frequencies are reported in the cluster bar charts below. 0.45 0.40 0.40 0.40 0.37 0.33 0.35 0.30 0.27 0.25 0.23 0.20 0.15 0.10 0.05 0.00 C2 C3 No Yes Which one of the following is FALSE?
The following table reports row-relative frequencies of the data from a survey on the ownership of iPods among families with different levels of income. Level of income Ownership C1 C2 C3 Total No 0.33 0.27 0.40 1 Yes 0.23 0.37 0.40 These frequencies are reported in the cluster bar charts below. 0.45 0.40 0.40 0.40 0.37 0.33 0.35 0.30 0.27 0.25 0.23 0.20 0.15 0.10 0.05 0.00 C2 C3 No Yes Which one of the following is FALSE?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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Problem 1P
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Transcribed Image Text:The following table reports row-relative frequencies of the data from a survey on the ownership of iPods among families with different levels of income.
Level of income
Ownership
C1
C2
C3
Total
No
0.33
0.27
0.40
1
Yes
0.23
0.37
0.40
1
These frequencies are reported in the cluster bar charts below.
0.45
0.40
0.40
0.40
0.37
0.33
0.35
0.30
0.27
0.25
0.23
0.20
0.15
0.10
0.05
0.00
C1
C2
C3
No Yes
Which one of the following is FALSE?
Select one:
O a.
The variation in the relative heights for the Yes and No bars for the 3 income groups clearly shows that iPad ownership varies from one income
group to another.
If two categorical variables are unrelated, the pattern exhibited in the bar charts should approximately be the same.
Ob.
The clustered bar chart shows that there is a relationship between iPad ownership and income group.
d.
It is not possible to determine whether ipad ownership and income groups are related in this case as the Yes and No bars for the 3 income groups
are completely different from each other.
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