Statistical Studies and Sampling Methods

For each situation, choose the most appropriate technique for collecting data. Use the technique exactly once.

Compare average class size for math classes and English classes in your high school.

• Census

• Sample Study

• Observational Study

• Experiment

Interview every 10th student who enters the school in the morning.

• simple random

• voluntary response

• systematic

• convenience

Assign each car in a dealership a number and then use a random-number table to select the cars to be inspected.

• systematic

• simple random sample

• convenience

• Self - selected (volunteer)

For each situation, choose the most appropriate technique for collecting data. Use the technique exactly once. Decide if computer games are more effective than paper and pencil drills for children learning the multiplication tables.

• Census

• Sample Study

• Observational Study

• Experiment

each item or person in the population is as likely to be chosen as any other

• biased sample

• systematic random sample

• unbiased sample

• simple random sample

The sample is a part of the population.

• True

• False

A ​ ​ (a)   is a representative portion of the population from which information is gathered.

• sample

• statistics

• parameter

• population

What type of sampling is shown?

• Simple Random Sample

• Systematic Sample

• Cluster Sample

• Stratified Sample

Choosing a sample because it is convenient.

• Convenience Sampling

• Random Sampling

• Voluntary-Response Sampling

• Systematic Sampling

_______ is the entire group of objects or individuals considered for a survey.

• Sample

• Population

• Random Sample

• Quartile