In a recent survey in the UK, it was found that about 85% of UK smokers are very much aware that smoking increases their risk of developing lung cancer, and 80% know the habit may lead to heart...

In a recent survey in the UK, it was found that about 85% of UK smokers are very much aware that smoking increases their risk of developing lung cancer, and 80% know the habit may lead to heart disease, The poll said that 75% of adult senokers surveyed believed smoking would probably shorten their lifespan. 85% said they had tried to stop smoking, averaging eight failed attempts to drop the habit. 40% of adult smokers smoke a packet or more a day. The poll questioned 1,000 UK residents by telephone between 11 and 15 January 2005, Answer the following questions about the survey: b)Write out clearly the general objective of the survey, Make a full list of the target variables in the study. c) Make a full list of the target variables in the study. d) State two advantages and two disadvantages of using telephone interviews in carrying out this particular survey, Construct close-ended questions to obtain information to compute the five estimates in the report.