Statistics Vocab

Determine the sample method:

A researcher polls people as they walk by on the street.

• Simple Random Sample

• Stratified Sample

• Convenience Sample

• Systematic Sample

Determine the sample method:

While students are lined up for school pictures, a teacher passes out a survey to every 10^th student.

• Simple Random Sample

• Stratified Sample

• Convenience Sample

• Systematic Sample

Determine the sample method:

A student council surveys 100 students by getting random samples of 25 freshmen, 25 sophomores, 25 juniors, and 25 seniors.

• Simple Random Sample

• Stratified Sample

• Convenience Sample

• Systematic Sample

Determine the sample method:

Each student at a school has a student identification number. Counselors have a computer generate 50 random identification numbers and those students are asked to take a survey.

• Simple Random Sample

• Stratified Sample

• Convenience Sample

• Systematic Sample

Determine the sample method:

A school chooses 3 athletes from each of its sports teams to participate in a survey about athletics at the school.

• Simple Random Sample

• Stratified Sample

• Convenience Sample

• Systematic Sample

Determine the sample method:

A quality control worker at a factory selects the first 10 items she sees as her sample for the day.

• Simple Random Sample

• Stratified Sample

• Convenience Sample

• Systematic Sample

Determine the sample method:

Willy wants to find what percent of students at his school drink the milk after they finish their cereal. He selects every 10^th person who enters the school.

• Simple Random Sample

• Stratified Sample

• Convenience Sample

• Systematic Sample

Determine the sample method:

Taylor wants to know how many students at her school drink Gatorade. She randomly selects 50 student names from a jar.

• Simple Random Sample

• Stratified Sample

• Convenience Sample

• Systematic Sample

Determine the sample method:

The School Board wants to know if teachers like 2-hour early dismissal days.  So they randomly select 5 elementary teachers, 5 middle school teachers, and 5 high school teachers.

• Simple Random Sample

• Stratified Sample

• Convenience Sample

• Systematic Sample

Determine the sample method:

Target wants to know if customers like that their mascot is a dog, so they survey customers as they enter the checkout line.

• Simple Random Sample

• Stratified Sample

• Convenience Sample

• Systematic Sample