What is the null hypothesis? 2. What is the alternative hypothesis? 3. What is X2 value? 4. What is the decision (use a = 0.05)? 5. Interpret the data

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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1. What is the null hypothesis?
2. What is the alternative
hypothesis?
3. What is X2 value?
4. What is the decision (use a = 0.05)?
5. Interpret the data

Customers
Watch Preference
Age
Under 30
Digital
Digital
Digital
1
Under 30
Under 30
4
Above 30
Digital
Above 30
Undecided
6
Above 30
Undecided
7
Under 30
Undecided
Digital
Digital
8
Under 30
Above 30
10
Above 30
Digital
Above 30
Analog
Analog
Analog
Digital
Digital
11
12
Under 30
13
Above 30
14
Under 30
15
Above 30
16
Under 30
Digital
17
Under 30
Undecided
Under 30
Analog
Analog
18
19
Above 30
20
Above 30
Digital
21
Above 30
Analog
22
Above 30
Analog
23
Under 30
Analog
Analog
24
Above 30
25
Under 30
Undecided
26
Above 30
Undecided
Analog
Analog
27
Above 30
28
Above 30
29
Above 30
Undecided
30
Under 30
Undecided
Transcribed Image Text:Customers Watch Preference Age Under 30 Digital Digital Digital 1 Under 30 Under 30 4 Above 30 Digital Above 30 Undecided 6 Above 30 Undecided 7 Under 30 Undecided Digital Digital 8 Under 30 Above 30 10 Above 30 Digital Above 30 Analog Analog Analog Digital Digital 11 12 Under 30 13 Above 30 14 Under 30 15 Above 30 16 Under 30 Digital 17 Under 30 Undecided Under 30 Analog Analog 18 19 Above 30 20 Above 30 Digital 21 Above 30 Analog 22 Above 30 Analog 23 Under 30 Analog Analog 24 Above 30 25 Under 30 Undecided 26 Above 30 Undecided Analog Analog 27 Above 30 28 Above 30 29 Above 30 Undecided 30 Under 30 Undecided
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