Exhibit 12-6
The following shows the number of individuals in a sample of 300 who indicated they support the new tax proposal.
We are interested in determining whether or not the opinions of the individuals of the three groups are uniformly distributed.
-The test for goodness of fit
A)is always a lower-tail test
B)is always an upper-tail test
C)is always a two-tailed test
D)can be a lower- or upper-tail test

Question

Exhibit 12-6
The following shows the number of individuals in a sample of 300 who indicated they support the new tax proposal.  
We are interested in determining whether or not the opinions of the individuals of the three groups are uniformly distributed.
-The test for goodness of fit
A)is always a lower-tail test 
B)is always an upper-tail test 
C)is always a two-tailed test 
D)can be a lower- or upper-tail test

Quizplus · Accepted Answer

The test for goodness of fit is always an upper-tail test because it measures how well observed data fit a distribution, with larger test statistics indicating a worse fit.

Exhibit 12-6 The Following Shows the Number of Individuals in a Sample