Question: In Table 4.1 (pg. 49), using a 95% confidence interval with a simple random sample of 400 people, what would the margin of error be?

In Table 4.1 (pg. 49), using a 95% confidence interval with a simple random sample of 400 people, what would the margin of error be?

Table 4.1. Margin of Error (For Simple Random Samples, Using a 95% Confidence Interval) Survey Sample Size Margin of Error 2,000 +/-2 1,500 +/-3 1,000 +/-3 900 +/-3 800 +/-3 700 +/-4 600 +/-4 500 +/-4 400 +/-5 300 +/-6 200 +/-7 100 +/-10 50 +/-14 Source: Calculated from Elizabethann O'Sullivan and Gary R. Russel, Research Methods for Public Administrators (White Plains, NY: Longmans, 1994), 147

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