Exhibit 11-8
The table below gives beverage preferences for random samples of teens and adults.
We are asked to test for independence between age (i.e., adult and teen) and drink preferences.
-Refer to Exhibit 11-8. The test statistic for this test of independence is
A)0
B)8.4
C)62.5
D)82.5

Question

Exhibit 11-8
The table below gives beverage preferences for random samples of teens and adults.
  We are asked to test for independence between age (i.e., adult and teen) and drink preferences.
-Refer to Exhibit 11-8. The test statistic for this test of independence is
A)0 
B)8.4 
C)62.5 
D)82.5

Quizplus · Accepted Answer

To determine the test statistic for independence, we need to use the chi-square formula. After calculating the expected frequencies, the final calculation yields a chi-square value of 62.5, which corresponds to choice (C).

Exhibit 11-8 the Table Below Gives Beverage Preferences for Random Samples of Samples