The table below gives beverage preferences for random samples of teens and adults.
Teens
Adults
Total
Coffee55
200
255
Tea100
150
250
Soft Drink195
200
395
Other50
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
A. 5.991.
B. 7.815.
C. 14.067.
D. 15.507.
Answer: B
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