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If the Sample Size for a Poll Increases from 100

Question 1

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:

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