The table below gives beverage preferences for random samples of teens and adults. We want to...
The table below gives beverage preferences for random samples of teens and adults. We want to test for independence between age (adult / teen) and drink preferences
|
Teens |
Adults |
Total |
|
|
Coffee |
50 |
200 |
250 |
|
Tea |
100 |
150 |
250 |
|
Soft Drink |
200 |
200 |
400 |
|
Other |
50 |
50 |
100 |
|
400 |
600 |
1,000 |
With a 0.05 level of significance, the critical value for the test is:
|
a.14.067 |
||
| b. |
7.815 |
|
| c. |
1.645 |
|
| d. |
15.507 |
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The table below gives beverage preferences for random samples of
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