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The table below gives beverage preferences for random samples of teens and adults.
Beverage
Teens
Adults
Total
Coffee
50
200
250
Tea
100
150
Soft Drink
400
Other
600
1,000
We are asked to test for independence between age (i.e., adult and teen) and drink preferences.
The result of the test is that the
A. hypothesis of independence can be rejected
B. hypothesis of independence cannot be rejected
C. test is inconclusive
D. None of these alternatives is correct.
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Describe the sampling distribution model of this mean.
The number of degrees of freedom corresponding to between treatments is:
To determine whether there exists mean difference among the groups:
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