The table below gives beverage preferences for random samples of teens and adults.   Teens Adults Total Coffee 55 200 255 Tea 100 150 250 Soft Drink 195 200 395 Other 50 50 100   400 600 1000 ​ We are asked to test for independence between age (i.e., adult and teen) and drink preferences. The test statistic for this test of independence is

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 The table below gives beverage preferences for random samples of teens and adults.

 

Teens

Adults

Total

Coffee

55

200

255

Tea

100

150

250

Soft Drink

195

200

395

Other

50

50

100

 

400

600

1000

We are asked to test for independence between age (i.e., adult and teen) and drink preferences. The test statistic for this test of independence is

 
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