An organization claims that the thoughts of adults ages 55 and over on which industry has the most trustworthy advertising is uniformly distributed. To test this claim, you randomly select 800 adults ages 55 and over and ask each which industry has the most trustworthy advertising. The table shows the results. At a = 0.05, test the organization's claim.
|
Response
|
Frequency,
|
|
Auto companies
|
128
|
|
Fast food companies
|
192
|
|
Financial services companies
|
112
|
|
Pharmaceutical companies
|
152
|
|
Soft drink companies
|
216
|