The columns contain the Race/Ethnicity of U.S. Public Schools for a recent year,
ID: 3431144 • Letter: T
Question
The columns contain the Race/Ethnicity of U.S. Public Schools for a recent year, the percentages for the Advanced Placement Examinee Population for that class, and the Overall Student Population. Suppose the right column contains the result of a survey of 1,000 local students from that year who took an AP Exam.
Race/Ethnicity
AP Examinee Population
Overall Student Population
Survey Frequency
Asian, Asian American, or Pacific Islander
10.2%
5.4%
113
Black or African American
8.2%
14.5%
94
Hispanic or Latino
15.5%
15.9%
136
American Indian or Alaska Native
0.6%
1.2%
10
White
59.4%
61.6%
604
Not Reported/Other
6.1%
1.4%
43
Perform a goodness-of-fit test to determine whether the local results follow the distribution of the US overall student population based on ethnicity.
Race/Ethnicity
AP Examinee Population
Overall Student Population
Survey Frequency
Asian, Asian American, or Pacific Islander
10.2%
5.4%
113
Black or African American
8.2%
14.5%
94
Hispanic or Latino
15.5%
15.9%
136
American Indian or Alaska Native
0.6%
1.2%
10
White
59.4%
61.6%
604
Not Reported/Other
6.1%
1.4%
43
Explanation / Answer
The test hypothesis:
Ho: the local results follows the distribution of the US overall student population based on ethnicity (i.e. null hypothesis)
Ha: the local results does not follow the distribution of the US overall student population based on ethnicity (i.e. alternative hypothesis)
observed expected O - E (O - E)