In 2012, the General Social Survey asked a random sample of adults, \"Compared t
ID: 3391122 • Letter: I
Question
In 2012, the General Social Survey asked a random sample of adults, "Compared to most people, how informed are you about politics?" Here are the data classified by their responses to this question and their age group:
Carry out a chi-square test. Test H0: there is no relationship between age and how politically informed the person is versus Ha: there is a relationship between age and how politically informed the person is. Use =0.01.
2(±0.0001)= ___
P(±0.0001)= ___
There is no a relationship between age and how politically informed the person is
There is a relationship between age and how politically informed the person is
Not at All A Little Somewhat Very Extremely Age 20-29 9 29 28 13 0 Age 30-39 14 28 55 22 8 Age 40-49 2 24 49 25 13 Age 50 or older 21 58 120 79 23Explanation / Answer
x
9
0.70293
14
2
The chi-square value calculated = 0.70293
21
The chi-square value table with 12 degrees of freedom at 0.01
level of significance = 26.217
29
28
Conclusion: The calculated value of Chi-square is
less than the Chi-square table value we accept Null hypothesis
24
58
28
55
49
120
13
22
25
79
0
8
13
23
x
9
0.70293
14
2
The chi-square value calculated = 0.70293
21
The chi-square value table with 12 degrees of freedom at 0.01
level of significance = 26.217
29
28
Conclusion: The calculated value of Chi-square is
less than the Chi-square table value we accept Null hypothesis
24
58
28
55
49
120
13
22
25
79
0
8
13
23
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