Statistics Population Sampling

What is the branch of mathematics dealing with the collection, organization, analysis, interpretation and presentation of data?

• Algebra

• Geometry

• Probability

• Statistics

What is the branch of statistics that involves drawing conclusions about a population based on information contained in a sample taken from that population?

• descriptive statistics

• inferential statistics

• sports statistics

• health statistics

What is a smaller, representative group drawn from a population?

• unit

• sample

• parameter

• statistic

This occurs when a sample is collected in such a way that some members of the intended population are less likely to be included than others.

• sampling error

• sampling bias

• random sampling

• clustered sampling

What is the term in statistics for the entire collection or group of individuals being studied?

• population

• sample

• parameter

• statistic

What is a characteristic of a sample?

• parameter

• statistic

• categorical variable

• numerical variable

If you survey every third house on a street, what type of sampling technique are you using?

A teacher puts all her students' names in hat, then selects 3 names from the hat. These students will take a standardized test.

• Convenience

• Systematic

• Stratified

• Simple Random

The president of a college randomly selects 2 students from each department to serve on a student advisory board.

• Convenience

• Systematic

• Stratified

• Simple Random

A teacher wants to know the average time spent doing homework by the students in her class of 20 girls and 5 boys.

She picks the student in every 5th seat.

• Simple Random

• Systematic

• voluntary response

• convenience