Samples & Surveys

You are trying to estimate the number of people who are in favor of switching the date of prom from May to April. You decide to survey some students and ask them if they would rather have prom in April or May. You setup a table in the cafeteria and anybody that wants to take the survey can. What type of sampling method is being used?

• convenience sample

• self-selected sample

• systematic sample

• random rample

During the 2008 Olympic Games, a U.S. swimmer won more medals that any other swimmer in history. Every 10^th person coming into school was shown a picture of the swimmer to see who would recognize the swimmer from a photograph. What type of sampling method is being used?

• convenience sample

• self-selected sample

• systematic sample

• random sample

To investigate a community’s reading habits, a newspaper conducts a poll from a table near the exit of a history museum. What type of sampling method is being used?

• convenience sample

• self-selected sample

• systematic sample

• random sample

Suppose you want to conduct a survey on the quality of food served at Harvest. You decide to sample students by putting their name in a hat, and the first 20 names you draw will take the survey. What type of sampling method is being used?

• convenience sample

• self-selected sample

• systematic sample

• random sample

Ask people who wants to participate, and give it to the first 15 people who say “yes”. What type of sampling method is being used?

• convenience sample

• self-selected sample

• systematic sample

• random sample

Pick 15 friends to survey. What type of sampling method is being used?

• convenience sample

• self-selected sample

• systematic sample

• random sample

Put everyone’s name into a hat, the first 15 names you draw will take the survey

• convenience sample

• self-selected sample

• systematic sample

• random sample

Pick every 3 people who arrive to school until you have 15 people. What sampling method is being used?

• convenience sample

• self-selected sample

• systematic sample

• random sample

A list of students is randomly generated from the school database. Information for every student is entered into the database, and each student has an equally likely chance of being selected. The students selected are asked how much time they spend on household chores each week. What type of study is being used?

• study

• survey

• experiment

The school librarian collects data about types of books that are checked out so that she can place a new book order accordingly. She records the type of book checked out by every other person each day for three weeks. What type of study is being used?

• study

• experiment

• survey