1.A market researcher wishes to find out if one radio station is more popular than others among teenagers. A random sample of 90 teenagers is selected and they are categorized on the basis of their radio station preference. The data are as follows: Station A, 40; Station B, 30; Station C, 20. Do these results deviate significantly from what would be expected due to chance (you expect an equal amount of teens liking each station)?

a.What statistical test should you use? __________________________

b.Compute, X² =______________

c.Interpret the result at the .05 error level. What is your conclusion?