Question

Bill stood outside the mall and asked every fourth person to enter the mall for their favorite sport. There were four choices: football, baseball, basketball, and other. Bill surveyed a total of 52 people. Of those surveyed, 12 said football is their favorite, 13 said baseball is their favorite, 13 said basketball is their favorite, and 14 said other.

Is there a sampling bias in the situation above?
A.
There is not enough information.
B.
Yes, people who go to the mall probably like football.
C.
No, there is no relationship between sports and going to the mall.
D.
Yes, people who go to the mall probably like baseball.

Answer 1

So do you know what sampling bias is?

What do you think the answer is?

Answer 2

a

Answer 3

Mhmm so let's look over what sampling bias is

So imagine if we went to an ice cream store and we asked people what they like better, chocolate or ice cream

This would have a lot of bias. Sampling bias. Why?
Because we're going to ask people at the ice cream store and so they're going to favor ice cream

Now similarly, imagine asking people their favorite football team outside of a football stadium?
They're most likely going to say one of the teams playing. That's why they came out to see the game!!

So these kinds of polls won't tell you much because it's already skewed and you're getting biased dats

Answer 4

Does a mall have anything in common with sports?
Would asking people about the mall mess up our data, or would it be fine?

Answer 5

people at the mall could like sports too

Answer 6

Yes, they could but all kinds of people go to the mall to buy stuff

Wouldn't it be different if we asked about SPORTS outside of a stadium compared to like a concert or a grocery store

Answer 7

yea

Answer 8

So what do you think the answer is now

Answer 9

c

Answer 10

Perfect!

Answer 11

thx

Answer 12

i just needed help on figuring it out

Answer 13

Sorry that was meant for someone else's post, you did a wonderful job!

Answer 14

thank you