Stats: Ch 1 Test Review

True or False: A sample is a subset of a population.

• True

• False

A ________________ is a numerical descriptor of a population.

Inferential statistics uses a _____________ to make a conclusion about a population.

• statistic

• sample

• solution

• survey

Which type of sampling technique is typically biased?

• Cluster

• Stratified

• Systematic

• Volunteer

Which level of data uses labels or qualities to categorize the data?

• Nominal

• Ordinal

• Interval

• Ratio

Which level of data is quantitative only and has an inherent zero (minimum value)?

• Nominal

• Ordinal

• Interval

• Ratio

The daily low temperature is an example of which level of measurment?

• Nominal

• Ordinal

• Interval

• Ratio

Halle surveys students as they enter the cafeteria regarding what lunch item they plan on buying today. This would be an example of which sampling technique?

• Cluster

• Convenience

• Stratified

• Simple Random Sample

The high school administration collects data from every student at the beginning of the year. This would be an example of which of the following?

• Census

• Experiment

• Simple Random Sample

• Stratified Sample

Students in a classroom are numbered 1 to 25. The teacher then uses a random number generator to randomly select 3 students from the class to complete a survey. Which sampling technique was used?

• Volunteer

• Simple Random Sample

• Stratified

• Cluster