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19 Nov 2021
Given information
Working-class | Professional(middle class) | Professional(wealthy) | |
17.8 | 16.5 | 8.5 | |
26.7 | 17.4 | 6.3 | |
49.4 | 22 | 4.6 | |
9.4 | 7.4 | 12.6 | |
65.4 | 9.4 | 11 | |
47.1 | 2.1 | 28.6 | |
19.5 | 6.4 | 15.4 | |
51.2 | 13.4 | 9.3 | |
Sum | 286.5 | 95.1 | 96.3 |
Step-by-step explanation
Step 1.
The null and alternative hypotheses are:
Now,
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