A pollster reports that 61% of voters plan to vote for Ralph Thoreau for state senator. The pollster indicates that the margin of error for this report is 7%, with a confidence level of 85%.
What is the most effective way for the pollster to reduce this margin of error?
A.)The pollster should poll fewer people.
B.) The pollster should analyze the data twice to check for mistakes.
C.)The pollster should increase the size of the confidence interval.
D.) The pollster should poll more people.
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Step-by-step explanation:
I guess answer Option (B)...
I hope it's helpful....
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option b is ur answer .
hopefully its helped u:)
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