S1R2 Exit Ticket

There are 45 people working in a particular building. A survey on dietary habits is conducted by giving every third person in the building a questionnaire to fill out. From the questionnaire, the researcher obtains a score on the dietary habits of the 15 people.

What is the number of members in the population?

Mathematical Equivalence

ON

Odyssey School wants to choose a new school mascot. They decide to take a survey to make the determination of what the new mascot will be. Which sample is best for this task?

• Ms. Jackson's 3rd period gym class

• The chess club

• The varsity football team

• 5 boys and 5 girls from each grade level

The student council at a local high school is collecting data to determine the top ten favorite songs of the students in the school. Which of the following methods represents stratified sampling?

• interview every second student who arrives at school Monday morning

• randomly interview 10% of students from each grade

• survey all the students in grade 9

• invite students to fill in a survey and return it

A battery manufacturer wants to determine how long its batteries will last. They assign a number to each battery produced and have a computer randomly select the batteries to be tested. What type of sample does this represent?

• Simple Random Sample

• Stratified Sample

• Clustered Sample

• Self-Selective Sample

Disneyland often surveys its guests as they exit a restaurant during their visit. The surveyor stands at the restaurant exit, counts the number of people leaving, and surveys every 25th guest.
This is a form of:

• Simple Random Sample

• Stratified Random Sample

• Voluntary Response

• Systematic Random Sampling