Multiple Choice
If the sample size for a poll increases from 100 people to 400 people, the margin of error
A) increases by a factor of 4, i.e. is multiplied by 4.
B) increases by a factor of 2, i.e. is multiplied by 2.
C) decreases by a factor of ½, i.e. is multiplied by ½.
D) decreases by a factor of ¼, i.e. is multiplied by ¼.
Correct Answer:

Verified
Correct Answer:
Verified
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