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The standard deviation of SAT scores is 126 points. A researcher decides to take a sample of 600 students' scores to estimate the mean
The standard deviation of SAT scores is 126 points. A researcher decides to take a sample of 600 students' scores to estimate the mean score of students in your state. What is the standard deviation of the sample mean? Round your answer to 2 decimal places.
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Introduction To Statistics And Data Analysis
Authors: Roxy Peck, Chris Olsen, Jay L. Devore
3rd Edition
0495118737, 9780495118732
