7B Quiz Review

A ___ is a large group that includes everything being studied.

• Sample

• Stratified Sampling Method

• Population

• Census

A ___ is a small portion of the population used to gather data from.

• Group

• Sample

• Population

• Bias

Interview every 10th student who enters the school in the morning. Determine the sampling method used.

• simple random sampling

• cluster sampling

• systematic sampling

• convenience sampling

Marianne wanted to know students' opinion on the new schedule at school. She survey's the first 30 students who come into her class. Determine the sampling method that she used.

• Convenience Sampling

• Systematic Random Sampling

• Simple Random Sampling

• Judgemental Sampling

An independent research company wants to go door to door to survey people in the city. The company decides to number all blocks within the city limit, randomly choose 1 block and survey all households on that block.

This is an example of:

• Simple Random Sample

• Stratified Random Sample

• Cluster Random Sample

• Systematic Random Sampling

A teacher hands out an index card and asks ALL of her students to write down the following information: age, height (in inches), and what grade they are in.

Which of the following best describes her method of data collection?

• Census

• Simple Random Sample

• Cluster Random Sample

• Stratified Random Sample

A teacher splits her classes up by period. She then randomly picks 3 students from each period to do a survey.

• Stratified Sampling

• Systematic Sampling

• Cluster Sampling

• Quota Sampling

A researcher stood at a school parking lot entrance to see if the color of a car is related to the driver not wearing a seatbelt.

• Observational Study

• Experiment

• Sample Survey

• Census

Determining if students using a calculator on a math final exam score better than students who do not use a calculator 

• Census

• Sample Survey
• Experiment
• Observational Study

Choosing people at random at the supermarket and asking them to taste two brands of orange juice to determine which brand they prefer.

• Census
• Sample Survey
• Experiment
• Observational Study