Random Sampling Test

A student wants to give a survey to determine which brand of shoe is most popular. Which survey is random?

• He surveys 20 students that are only wearing Nikes

• He surveys 20 students that are wearing different shoes

A person wants to know what the most popular store at the mall is. Which survey is biased?

• She asks random people in the shoe store.

• She asks random people around the mall

Which question is non-statistical?

• Do you have pets at home?

• How many pets do you have at home?

• What is your favorite type of animal?

• How long do you play with your pets daily?

Which question is statistical?

• Can you outrun your siblings?

• Do you run?

• Are you on the track team?

• How long do you run each day?

What are statistical questions?

• Questions that you only get a couple answers

• Questions that give you multiple answers

What are non-statistical questions?

• Questions that give you multiple answers

• Questions that give you only a couple of answers

Give an example of a statistical question

Give an example of a non-statistical question

Give an example of a survey that would be random

Give an example of a survey that would be biased