a) Carefully define the null and alternative hypotheses of the χ2 test underlying the generation of the above table. b) Fill in the missing values ‘*’, ‘**’, ‘***’, ‘****’ and ‘*****’. c) What is the conclusion of this test at the 5% level of significance? Give reasons for your answer. d) Name two limitations of this test.
a) Carefully define the null and alternative hypotheses of the χ2 test underlying the generation of the above table. b) Fill in the missing values ‘*’, ‘**’, ‘***’, ‘****’ and ‘*****’. c) What is the conclusion of this test at the 5% level of significance? Give reasons for your answer. d) Name two limitations of this test.
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
100%
a) Carefully define the null and alternative hypotheses of the χ2 test underlying the generation of the above table.
b) Fill in the missing values ‘*’, ‘**’, ‘***’, ‘****’ and ‘*****’.
c) What is the conclusion of this test at the 5% level of significance? Give reasons for your answer.
d) Name two limitations of this test.
Transcribed Image Text:The data below shows car model and the color of vehicles sold at a Car dealership.
Hyundai
20
Honda
11
Toyota
6
15.40
8.648
13.51
Red
Black
White
Total
Chi Sq =
1.37
0.22
0.28
15
16.95
22
24.65
57
+0.64
+1.30
+ 4.18
+ ***
6
9.51
15
13.84
32
18
14.86
+ 0.02
26
21.62
50
+0.00 + 0.04 +
+0.75 +
Daihatsu
8
*
DF = ****, P-Value = *****
No cells with expected counts less than 5
9
8.62
12
12.54
29
+ 0.10 +0.89 + 0.02 + 0.75 = 10.47
Subaru
5
4.59
7
5.05
5
7.35
17
Total
50
55
**
185
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1.What is the conclusion of this test at the 5% level of significance? Give reasons for your answer.
2. Name two limitations of this test.
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