Question
In: Mechanical Engineering
Use a x2 test to test the claim that in the given contingency table, the row variable and the column variable are independent.
Use a x2 test to test the claim that in the given contingency table, the row variable and the column variable are independent.
1) Use the sample data below to test whether car color affects the likelihood of being in an 1) accident. Use a significance level of 0.01
Solutions
Expert Solution
| Red | Blue | White | Total | |
| Car has been in accident | 28(25.76) | 33(27.786) | 36(33.343) | 97 |
| Car has not been in accident | 23(19.921) | 22(21.484) | 30(25.781) | 75 |
| Total | 51 | 55 | 66 | 192 |
samet mamat answered 2 years agoRelated Solutions
You are conducting a test of the claim that the row variable and the column variable...
You are conducting a test of the claim that the row variable and
the column variable are dependent in the following contingency
table.
X
Y
Z
A
20
46
44
B
20
36
26
Give all answers rounded to 3 places after the decimal
point, if necessary.
(a) Enter the expected frequencies below:
X
Y
Z
A
B
To find the expected frequencies:
Enter the observed matrix into the calculator, per the
Technology Corner.
Perform the test, per the Technology...
You are conducting a test of the claim that the row variable and the column variable...
You are conducting a test of the claim that the row variable and
the column variable are dependent in the following contingency
table.
X
Y
Z
A
19
37
29
B
18
39
34
Give all answers rounded to 3 places after the decimal
point, if necessary.
(a) Enter the expected frequencies below:
X
Y
Z
A
B
To find the expected frequencies:
Enter the observed matrix into the calculator, per the
Technology Corner.
Perform the test, per the Technology...
You are conducting a test of the claim that the row variable and the column variable...
You are conducting a test of the claim that the row variable and
the column variable are dependent in the following contingency
table.
X
Y
Z
A
46
33
49
B
33
14
38
Give all answers rounded to 3 places after the decimal
point, if necessary.
(a) Enter the expected frequencies below:
X
Y
Z
A
B
To find the expected frequencies:
Enter the observed matrix into the calculator, per the
Technology Corner.
Perform the test, per the Technology...
You are conducting a test of the claim that the row variable and the column variable...
You are conducting a test of the claim that the row variable and
the column variable are dependent in the following contingency
table.
X
Y
Z
A
28
11
14
B
26
24
40
Give all answers rounded to 3 places after the decimal
point, if necessary.
(a) Enter the expected frequencies below:
X
Y
Z
A
B
(b) What is the chi-square test-statistic for
this data?
Test Statistic: χ2=χ2=
(c) What is the critical value for this test...
You are conducting a test of the claim that the row variable and the column variable...
You are conducting a test of the claim that the row variable and
the column variable are dependent in the following contingency
table.
X
Y
Z
A
51
19
43
B
42
19
39
Give all answers rounded to 3 places after the decimal
point, if necessary.
(a) Enter the expected frequencies below:
X
Y
Z
A
B
b) What is the chi-square test-statistic for
this data?
Test Statistic: χ2=
(c) What is the critical value for this test...
You are conducting a test of the claim that the row variable and the column variable...
You are conducting a test of the claim that the row variable and
the column variable are dependent in the following contingency
table.
X
Y
Z
A
16
22
18
B
34
39
10
Give all answers rounded to 3 places after the decimal
point, if necessary.
(a) Enter the expected frequencies below:
X
Y
Z
A
B
(b) What is the chi-square test-statistic for
this data?
Test Statistic: χ2=χ2=
(c) What is the critical value for this test...
You are conducting a test of the claim that the row variable and the column variable...
You are conducting a test of the claim that the row variable and
the column variable are dependent in the following contingency
table.
X
Y
Z
A
51
19
43
B
42
19
39
Give all answers rounded to 3 places after the decimal
point, if necessary.
(a) Enter the expected frequencies below:
X
Y
Z
A
B
(b) What is the chi-square test-statistic for
this data?
Test Statistic: χ2=
(c) What is the critical value for this test...
You are conducting a test of the claim that the row variable and the column variable...
You are conducting a test of the claim that the row variable and
the column variable are dependent in the following contingency
table.
X
Y
Z
A
28
38
35
B
43
36
25
Give all answers rounded to 3 places after the decimal
point, if necessary.
(a) Enter the expected frequencies below:
X
Y
Z
A
B
(b) What is the chi-square test-statistic for
this data?
Test Statistic: χ2=
c) What is the critical value for this test...
You are conducting a test of the claim that the row variable and the column variable...
You are conducting a test of the claim that the row variable and
the column variable are dependent in the following contingency
table.
X
Y
Z
A
30
17
36
B
38
21
30
Give all answers rounded to 3 places after the decimal
point, if necessary.
(a) Enter the expected frequencies below:
X
Y
Z
A
B
(b) What is the chi-square test-statistic for
this data?
Test Statistic: χ2=χ2=
(c) What is the critical value for this test...
You are conducting a test of the claim that the row variable and the column variable...
You are conducting a test of the claim that the row variable and
the column variable are dependent in the following contingency
table.
X
Y
Z
A
26
35
20
B
28
36
42
Give all answers rounded to 3 places after the decimal
point, if necessary.
(a) Enter the expected frequencies below:
X
Y
Z
A
B
(b) What is the chi-square test-statistic for
this data?
Test Statistic: χ2=
(c) What is the critical value for this test...
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