A random sample of 406 undergraduate students at the University of Iowa was taken. The students in the sample were classified according to the college in which they were enrolled and according to their gender. The results are recorded in the following table. College Gender Business Engineering Liberal Arts Nursing Pharmacy Totals Male 21 16 145 5 6 Female 14 5 175 13 6 Totals Ho: The college in which the student enrolls is independent of the gender of that student. Ha: They are not independent of each other. 2nd x-1 NAMES MATH EDIT [1] [A] enter MATRIX [A] 2 x 5 [ ] Stat tests ?2−???? ?2 − ???? Observed:[A] Expected:[B] Color Calculate ?2 − ???? Conclusion
: A random sample of 406 undergraduate students at the University of Iowa was taken. The students in the sample were classified according to the college in which they were enrolled and according to their gender. The results are recorded in the following table.
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College |
|
|
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Gender |
Business |
Engineering |
Liberal Arts |
Nursing |
Pharmacy |
Totals |
Male |
21 |
16 |
145 |
5 |
6 |
|
Female |
14 |
5 |
175 |
13 |
6 |
|
Totals |
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|
|
|
|
Ho: The college in which the student enrolls is independent of the gender of that student. Ha: They are not independent of each other.
2nd x-1 NAMES MATH EDIT [1] [A]
enter |
MATRIX [A] 2 x 5
[ ]
Stat tests ?2−???? |
?2 − ???? Observed:[A] Expected:[B] Color Calculate |
?2 − ????
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Conclusion |
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