You think that there might be a relationship between race and the number of property crimes a defendant has committed. To test this hypothesis, you take a random sample of 360 defendants convicted of a crime, examine their criminal records, and count the number of property crimes they have committed. Here are your data:
Number of Property Crimes |
||||
Race |
0-4 |
5 or more |
Total |
|
Non-White |
77 |
33 |
33 |
110 |
White |
180 |
70 |
70 |
250 |
Total |
257 |
103 |
103 |
3 |
.149 |
1 |
.700 |
||||||||||||||||
.706 |
.395 |
|||||||||||||||||
.149 |
1 |
.699 |
||||||||||||||||
360 |
||||||||||||||||||
Number of Property Crimes |
Total |
|||||||||||||||||
0-4 crimes |
5 or more crimes |
|||||||||||||||||
Non-White |
% within Race of Defendant |
70.0% |
30.0% |
100.0% |
||||||||||||||
% within Number of Property Crimes |
30.0% |
32.0% |
30.6% |
|||||||||||||||
% of Total |
21.4% |
9.2% |
30.6% |
|||||||||||||||
White |
% within Race of Defendant |
72.0% |
28.0% |
100.0% |
||||||||||||||
% within Number of Property Crimes |
70.0% |
68.0% |
69.4% |
|||||||||||||||
% of Total |
50.0% |
19.4% |
69.4% |
|||||||||||||||
% within Race of Defendant |
71.4% |
28.6% |
100.0% |
|||||||||||||||
% within Number of Property Crimes |
100.0% |
100.0% |
100.0% |
|||||||||||||||
% of Total |
71.4% |
28.6% |
100.0% |
|||||||||||||||
Value |
Asymptotic Standard Errora |
Approximate T |
Approximate Significance |
|||||||||||||||
Lambda |
Symmetric |
.000 |
.000 |
.b |
.b |
|||||||||||||
Race of Defendant Dependent |
.000 |
.000 |
.b |
.b |
||||||||||||||
Number of Property Crimes Dependent |
.000 |
.000 |
.b |
.b |
||||||||||||||
Goodman and Kruskal tau |
Race of Defendant Dependent |
.000 |
.002 |
.699c |
||||||||||||||
Number of Property Crimes Dependent |
.000 |
.002 |
.699c |
|||||||||||||||
The hypothesis being tested is:
H0: There is no relationship between race and the number of property crimes a defendant has committed
Ha: There is a relationship between race and the number of property crimes a defendant has committed
The p-value is 0.000.
Since the p-value (0.000) is less than the significance level (0.05), we can reject the null hypothesis.
Therefore, we can conclude that there is a relationship between race and the number of property crimes a defendant has committed.
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