In: Statistics and Probability
The following is a summary of data for 960 branch managers in the two major regions of a Canadian Bank:
Education Level |
Domestic Region |
International Region |
TOTAL |
No Degree |
120 |
20 |
140 |
Bachelor’s Degree |
420 |
100 |
520 |
Post-graduate Degree |
250 |
50 |
300 |
TOTAL |
790 |
170 |
960 |
1. State the null and alternative hypotheses for a Chi Square test to determine if managers’ education level is dependent of which region they are from. (2 Points)
2. State the rejection rule using the critical value approach. Let alpha = 0.05. (2 Points)
3. Calculate the expected frequency for the cell “No Degree” and “International Region” (2 Points)
4. If the Chi Square statistic is 2.176, what is your conclusion? (2 Points)