Question
In: Statistics and Probability
You are conducting a test of independence for the claim that there is an association between...
You are conducting a test of independence for the claim that there is an association between the row variable and the column variable.
| X | Y | Z | |
|---|---|---|---|
| A | 27 | 19 | 8 |
| B | 42 | 25 | 29 |
What is the chi-square test-statistic for this data?
χ2=
Report all answers accurate to three decimal places.
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 | 43 | 45 | 21 |
| B | 33 | 28 | 11 |
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 of
independence when using a significance level of αα = 0.01?
Critical Value: χ2=
(d) What is the correct conclusion of this hypothesis test at the 0.01 significance level?
- There is not sufficient evidence to support the claim that the row and column variables are dependent.
- There is not sufficient evidence to warrant rejection of the claim that the row and column variables are dependent.
- There is sufficient evidence to support the claim that the row and column variables are dependent.
- There is sufficient evidence to warrant rejection of the claim that the row and column variables are dependent.
Solutions
orchestra answered 2 years agoRelated Solutions
You have been using the chi-square test of independence to test for association between two variables....
You have been using the chi-square test of independence to test
for association between two variables.
1) Give an example of a pair of variables for which you would
expect to find no association.
2) Give an example of a pair of variables for which you would
expect to find association, but not a causal relationship.
3) Finally, give an example of a pair of variables for which you
would expect to find a causal relationship.
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...
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