Question: Hello, can someone help me with a step by step solution: The table below gives beverage preferences for random samples of teens and adults. Teens
Hello, can someone help me with a step by step solution:
The table below gives beverage preferences for random samples of teens and adults.
Teens | Adults | Total | |
| Coffee | 50 | 200 | 250 |
| Tea | 100 | 150 | 250 |
| Soft Drink | 200 | 200 | 400 |
| Other | 50 | 50 | 100 |
400 | 600 | 1000 |
We are asked to test for independence between age (i.e., adult and teen) and drink preferences. With a .05 level of significance, the critical value for the test is?
What is the expected number of adults who prefer coffee?
What is the test statistic for this test of independence?
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