Sampling Methods

An elementary school principal wants to evaluate the teaching quality of the school by collecting data from a sample of students. Which of the following is not a suitable stratum to be used to collect the sample?

• gender

• grade level

• race

• first name

Tags

CCSS.HSS.IC.B.3

The manager of a supermarket wants to survey their customers about their opinions on a new coffee shop. To obtain the sample, the manager surveys every tenth person coming into the supermarket, starting from the third customer of the day. Which sampling method is used for this study?

• simple random sampling

• systematic random sampling

• stratified sampling

Tags

CCSS.HSS.IC.B.3

A school wants to survey its students. They choose a sample by putting every student’s name into a hat and then drawing names from the hat. Which of the following is the sampling method used?

• simple random sampling

• systematic random sampling

• stratified sampling

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

At a local golf club, there are 50 male members and 30 female members. A representative sample of 10 random male members and 6 random female members is chosen. Which of the following is the sampling method used?

• simple random sampling

• systematic random sampling

• stratified sampling

Tags

CCSS.HSS.IC.B.3

A politician wanted to survey voters to determine whether to fund a highway construction in a city. To obtain the sample, the politician obtained a complete list of registered voters and assigned a unique number to each individual. Then, a sample was selected based on a list of random numbers generated by a computer program. Which sampling method was used for this study?

• simple random sampling

• systematic random sampling

• stratified sampling

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

The principal interviews the first 30 students who enter the school in the morning.  What type of sampling is this?

• simple random
• voluntary response
• systematic
• convenience

Tags

CCSS.HSS.IC.B.3

Political webpages often allow readers to rate whether they strongly agree, agree, disagree, or strongly disagree with the President's decision on any given situation. This is a form of:

• Voluntary Response
• Convenience Sampling
• Simple Random Sampling
• Systematic Random Sampling

Tags

CCSS.HSS.IC.B.3

Marianne wanted to know students' opinion on the new schedule at school. She places students' names in a container and randomly picks out 20 names. 

• Convenience Sampling
• Systematic Random Sampling
• Simple Random Sampling
• Volunteer response

Tags

CCSS.HSS.IC.B.3

Why do we randomly select our samples?

• for control
• reduce bias
• so we don't get the same answers from everyone
• to eliminate confounding results

Tags

CCSS.HSS.IC.B.3

Disneyland often surveys its guests as they exit a restaurant during their visit. The surveyor stands at the restaurant exit, counts the number of people leaving, and surveys every 25th guest.
This is a form of:

• Simple Random Sample
• Stratified Random Sample
• Voluntary Response
• Systematic Random Sampling

Tags

CCSS.HSS.IC.B.3