STAT 200 Chapter 3 Producing Data

Data arise in everyday life. Some examples are:

A market research company tele-surveyed 963 individuals and asked about their bank-

 ing preference and behaviour. Demographic information including age, gender, income

 level and marital status was also obtained.

An online poll was conducted during the federal election period to predict the winner

 of the election. Eligible voters were asked which political party they were in favour of.

A health organization carried out a study investigating the eectiveness of a vaccine in

 preventing a certain disease. Individuals participating in the study were either given

 or not given the vaccine, and information on whether they contract the disease...