Among 800 managers with degrees in business administration, the following data have been accumulated as to their fields of concentration. Major Top Management Middle Management Management 180 120 Marketing 120 80 Accounting 150 150 We want to determine if the position in management is independent of field (major) of concentration. a) State the null and alternative hypotheses to be tested. b) Complete the contingency table of the expected frequencies. Major Top Management Middle Management Management Marketing Accounting c) Compute the test statistic (chi-square) and round to the second decimal place. The null hypothesis is to be tested at 95% confidence. Determine the critical value for this test. What do you conclude? State answers and show calculations clearly please
Among 800 managers with degrees in business administration, the following data have been accumulated as to their fields of concentration. Major Top Management Middle Management Management 180 120 Marketing 120 80 Accounting 150 150 We want to determine if the position in management is independent of field (major) of concentration. a) State the null and alternative hypotheses to be tested. b) Complete the contingency table of the expected frequencies. Major Top Management Middle Management Management Marketing Accounting c) Compute the test statistic (chi-square) and round to the second decimal place. The null hypothesis is to be tested at 95% confidence. Determine the critical value for this test. What do you conclude? State answers and show calculations clearly please
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.4: Collecting Data
Problem 6E
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Among 800 managers with degrees in business administration, the following data have been accumulated as to their fields of concentration.
| Major | Top Management | Middle Management |
| Management | 180 | 120 |
| Marketing | 120 | 80 |
| Accounting | 150 | 150 |
We want to determine if the position in management is independent of field (major) of concentration.
a) State the null and alternative hypotheses to be tested.
b) Complete the
| Major | Top Management | Middle Management |
| Management | ||
| Marketing | ||
| Accounting |
c) Compute the test statistic (chi-square) and round to the second decimal place. The null hypothesis is to be tested at 95% confidence. Determine the critical value for this test. What do you conclude?
State answers and show calculations clearly please
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