The following table shows the number of individuals in a sample of 450 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 expected frequency for each group is
A) .333.
B) .50.
C) 150.
D) 135.

Question

The following table shows the number of individuals in a sample of 450 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 expected frequency for each group is
A) .333. 
B) .50. 
C) 150. 
D) 135.

Quizplus · Accepted Answer

To test if the opinions of the three groups are uniformly distributed, we need to find the expected frequency for each group.

The expected frequency for each group can be found by dividing the total number of individuals (450) by the number of groups (3), which gives us 150. Therefore, the answer is choice C.

The Following Table Shows the Number of Individuals in a Sample