A high school principal wanted to know if the racial makeup of her teachers mirrored that of the ...

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1) Research Question: Is the racial makeup of the faculty members different from that of the students?

2) Null hypothesis: = 100%
Alternative Hypothesis: NE 100%, alpha = .05
3) Calculate:
Total teachers = 65

So, % White = (42/65)*100 = 65%
% Latino = (4/65)*100 = 6%
% African American = (15/65)*100 = 23%
% Other = (4/65)*100 = 6%

For a total of 100%

4) Probability: 100%, all teachers reported, and student numbers are given

5) Conclusion

Now, line up the numbers

Results:

White: Student % = 47%, Teacher % = 65%
Latino: Student % = 28%, Teacher % = 6%
African American: Student % = 15%, Teacher %= 23%
Other: Student % = 10, Teacher % = 6%

The racial makeup of the staff does not mirror that of the students

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