Question 4
A recent market study produced the following data on education level by gender:
Education Level |
Male |
Female |
TOTAL |
Up to High School |
250 |
350 |
600 |
College or U Grad |
460 |
540 |
1000 |
Postgraduate |
65 |
85 |
150 |
TOTAL |
775 |
975 |
1750 |
We want to determine if education level is independent of gender.
1. State the null and alternative hypotheses for a contingency table test if we want to determine if education level is independent of gender
2. State the rejection rule for the critical value approach. Let alpha = 0.01.
3. Calculate the expected frequency for the cell “Postgraduate” and “Female”
4. If the Chi Square statistic is 2.912 what is your conclusion?
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