Unit 4

Question 1

What are the three requirements for polls?

Answer 1

• Random
• Representative
• Large enough size

Question 2

Error vs Bias

Answer 2

Error means the random chance that your sample is non-representative. Error is through random chance.
Bias has to do with how the poll is run.

Question 3

What are some sources of Bias?

Answer 3

Question Bias:
Varying levels of specificity: People are more likely to agree to the specific option

Agree-Disagree poll: People are more likely to agree

Question 4

Tracking Polls vs Exit Poll

Answer 4

Tracking Poll: follows up on a community’s opinion over time

Exit Poll: happen once, at a single point in time

Question 5

Is it better to do the same poll of a smaller size multiple times or one large poll?

Answer 5

1500 is better than 500x3