The following is output for a test comparing race and ever-smoked 100 cigarettes
ID: 3376833 • Letter: T
Question
The following is output for a test comparing race and ever-smoked 100 cigarettes using 2008 BRFSS data. What is the most appropriate conclusion?
Rows: _RACEGR2
Columns: SMOKE100
Contingency table results:
Where: SMOKE100 < 7 and _RACEGR2 <= 2
Rows: _RACEGR2
Columns: SMOKE100
Cell format
Count
(Expected count)
(Contributions to Chi-Square)
Yes
No
Total
White
380
(371)
(0.22)
400
(409)
(0.2)
780
Black
30
(39)
(2.08)
52
(43)
(1.88)
82
Total
410
(47.56%)
452
(52.44%)
862
(100%)
Chi-Square test:
Statistic
DF
Value
P-value
Chi-square
1
4.3792522
0.0364
a. Conditional column percentages are needed for an appropriate interpretation.
b. The results for whites contributed most to the significant Chi-Squared test.
c. Whites are significantly more likely to have smoked 100 cigarettes compared to African Americans.
d. Fail to reject the null hypothesis.
Cell format
Count
(Expected count)
(Contributions to Chi-Square)
Explanation / Answer
The correct option is: C
Whites are significantly more likely to have smoked 100 cigarettes compared to African Americans
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