Question1 The administration of AT\&T Stadium would like to determine which snack food is most preferred at football games held in the stadium. For a select game, a computer program is used to generate a list of 200 seat numbers. The purchasers of the tickets for those seats are contacted and asked about their favorite snack food. Is the sample a good representation of the population?
A Yes, because the sample contains 200 people B Yes, because the sample is random and representative of the people who attend football games at AT\&T Stadium C No, because the sample is not randomly selected D No, because the sample is not representative of all people who attend football games at AT\&T Stadium
2 The coaches of a school football team want to know how many families from the school plan to attend this week's game. Each coach takes a different approach to obtain this information. Which sampling method would provide a good representation of the population? Select TWO correct answers. A Choose every fourth student from an alphabetical list of the entire student body and ask if their families will attend the game. B Stop every fifth car that enters the school parking lot one morning to ask if their families will attend the game. C Ask all the students in the last period PE class if their families will attend the game. D Call all the parents of the football players to ask if their families will attend the game. E Use a numbered list of all students in the school and a random number generator on a calculator to choose students to ask if their families will attend the game.
3 Last week Carlos surveyed customers leaving Mega Food. Of the 500 people surveyed, 447 said that Mega Food was their favorite grocery store. From these survey results, Carlos concluded that Mega Food was the favorite grocery store among all the people in his town. Which is the best explanation for why his conclusion might not be valid?
A The sample may not have been representative of all the people in Carlos' town. B Carlos asked every customer coming out of the store rather than asking every fifth customer who left the store. C The survey Carlos used did not ask how old the customers were. D The sample size was too small due to the population of the town being small.
4 The city council plans to conduct a survey and use the results to improve city services. The council wants to select citizens at random to participate in the survey. Which sampling method will NOT produce results representative of the population?
A Obtain a list of customer names from the water department and survey each member of every tenth household over the age of 18 B Survey every person who attends a city council meeting each month for six months C Survey each member of households with even house numbers. D Use a computer program to generate a list of addresses.