Biased or Unbiased
Every 5th student that comes to the grocery store gets survyed on what is their favorite ice cream.
Is this biased or unbiased?
Unbiased
An elementary school picked out 150 random students on what their mascot should me.
What is the population and the sample.
The population is the elemntary school and the sample is the 150 students that particapated.
What is this type of sample.
Every 7th student that enters school get's free candy.
systematic sampling
Christo asked the fortnite community what was their favorite game?
Is this representative?
No
Is this biased or unbiased?
Biased because it wouldn't be fair to the first 10 people in the afternoon.
American household were surveyd on the quality of their business.They surveyd 1500 American households.What is the population and sample?
Population is the American Households and the sample is the 1500 American Households that were surveyd.
What is this type of sample.
Chris put names in the jar to help him out with the party.He pulls three names out of the jar.What type of sample is this?
Random sample
AJ threw little pieces of paper with names on the air.He got 3 of them to choose who to work with.
what type of sample is this?
Random sample
People entering the football stadium were asked what their favorite sport was.
Is this biased or unbiased?
Biased
The football team got surveyd on what was their favorite video game.They randomly chose 6 football players.
What is the population and sample?
The population is the football team and the sample is the 6 football players.
A high school was surveyd on what was their favorite sports.They suryved the soccer team on what were their favorite sport.
What type of sampling is this?
Biased sample
At walmart they asked the first 10 people in the morning on their service.
Is this biased?
yes
In class students were learning about biased and unbiased.A student asked a question to another student because he was having trouble.He said,All students from Mrs.Andersons 1st period were surveyed on which are their favorite colors.The student that was helping him said it was unbiased.
Is he correct?
Yes,he is correct
Men were examined on how work stresses them out.2500 Men were tested for this experiment.
What is the population and the sample?
The population is the Men examined on stress and the sample is the 2500 Men tested.
Every 10th student gets free food in the morning at Mcdonald's.
What type of sampling is this?
Biased sample