Question

your marketing agency wants to send a survey to 500 people you desire the respondents to represent the full range of incomes under 100000 per year you are authorized to buy 500 names chosen at random from 1 of the following 3 databases which database is most likely to fit your needs and why income distribution mean standard deviation database 1 mean : 25625 database 2 : 49205 database 3: 88340 standard deviation database 1: 15990 database 2: 25485 database 3: 35870

Answer 1

Database 2 with a mean income of $49,205 and a standard deviation of $25,485 is the most likely to fit your needs for obtaining a representative sample of incomes under $100,000 per year.