In fall 1995, the BBC in Britain requested viewers to call the network and indicate their favorite poem. Of 7500 callers, more than twice as many voted for Rudyard Kipling’s If than for any other poem. The BBC then reported that this was the clear favorite.
a. Since any person could call, was this sample a simple random sample? Explain.
b. Was this a volunteer sample? Explain.
c. If the BBC truly wanted to determine Brits’ favorite poem, how could they do so more reliably?