A pollster is planning to draw a simple random sample of 500 people in Colorado (population 5.5

Question:

A pollster is planning to draw a simple random sample of 500 people in Colorado (population 5.5 million). He will then conduct a similar poll in Texas (population 27.9 million). He wants to have approximately the same standard error in both polls.

True or false:

a. The pollster needs a sample in Texas that is about 5 times as large as the one in Colorado.

b. The pollster needs a sample in Texas that is about the same size as the one in Colorado.

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Related Book For  book-img-for-question

Elementary Statistics

ISBN: 9781259969454

3rd Edition

Authors: William Navidi, Barry Monk

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