Sampling Methods - SM3

You want to know what type of book is most popular, so you go to Barnes and Noble and ask people as they leave the store.

• Voluntary Response Sample
• Convenience Sample
• Simple Random Sample
• Stratified Random Sample

Ryan selected 50 juniors, 50 sophomores, and 50 seniors at random to find out about the GPA of students at PGHS.

• Voluntary Response Sample
• Systematic Sample
• Simple Random Sample
• Stratified Random Sample

Lucy put a question on her Instagram story to ask people about their favorite place to eat.

• Voluntary Response Sample
• Convenience Sample
• Simple Random Sample
• Systematic Sample

Molly makes a list of students. Starting with the 3rd person, she asks every 10th person.

• Voluntary Response Sample
• Systematic Sample
• Simple Random Sample
• Stratified Random Sample

Using a numbered list of students, you select 10 random numbers and ask those people.

• Voluntary Response Sample
• Systematic Sample
• Simple Random Sample
• Stratified Random Sample

Starting with the 5th person, you ask every 8th person a question as they enter the school building.

• Voluntary Response Sample
• Systematic Sample
• Convenience Sample
• Stratified Random Sample

Assing each car in a dealership a number and then use a random-number generator to select the car that will be inspected.

• Voluntary Response Sample
• Systematic Sample
• Simple Random Sample
• Stratified Random Sample

A website you visit has a pop-up window with a survey about your experience using the webpage.

• Voluntary Response Sample
• Convenience Sample
• Simple Random Sample
• Systematic Sample

John wants to know what students are going to eat for lunch. He asks the first 30 people that he sees.

• Voluntary Response Sample
• Convenience Sample
• Simple Random Sample
• Systematic Sample

A teacher wants to know how long students spend on HW. She asks 5 random students from each of her 7 classes.

• Stratified Random Sample
• Convenience Sample
• Simple Random Sample
• Systematic Sample