Unit 1 Test Review

One hundred statistics students are gathered to measure I.Q. levels.

• Population

• Sample

• Parameter

• Statistic

The ages of all Kempsville High School students are collected.

• Population

• Sample

• Parameter

• Statistic

The average I.Q. of one hundred statistics students is computed to be 103.

• Population

• Sample

• Parameter

• Statistic

The average age of all Kempsville High School students is computed to be 16 years old.

• Population

• Sample

• Parameter

• Statistic

At TCC, all students from 10 randomly selected classes are questioned to measure the college's effectiveness in achieving student learning outcomes. This is an example of a...

• Stratified Sample

• Cluster Sample

• Systematic Sample

• Random Sample

At TCC, students entering the student center are questioned to measure the college's effectiveness in achieving student learning outcomes. This is an example of a ...

• Convenience Sample

• Stratified Sample

• Cluster Sample

• Stratified Sample

To measure the college's effectiveness in achieving student learning outcomes, TCC selects students by selecting names corresponding to every 50th student ID number. This is an example of a...

• Stratified Sample

• Systematic Sample

• Cluster Sample

• Random Sample

At TCC, ten students from every class on campus are questioned to measure the college's effectiveness in achieving student learning outcomes. This is an example of a...

• Stratified Sample

• Cluster Sample

• Random Sample

• Convenience Sample

A numerical value used as a summary measure (calculated value) for a sample, such as sample mean, is known as a

• Population Parameter

• Sample Parameter

• Sample Statistic

• Population Mean

• None of the other answers is correct

In a sample of 800 students in a university, 160, or 20% are business majors. Based on the above information, the school's paper reported that "an estimated 20% of all students at the university are business majors." This quoted portion of the report is an example of

• A Sample

• A Population

• A Statistic

• A Parameter