Estimating Population Means
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A sample of 900 first-year students at a large university has a mean SAT math score of 525 with a standard deviation of 88. Estimate the mean SAT math score for the entire first-year class. Give the 95% confidence interval. How do find this answer? What formula do I use?
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Solution Summary
The expert estimates the population means.
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Population Mean = sample mean
Mean score of entire class = 525
Upper confidence interval = Mean + z ...
Education
- BE, Bangalore University, India
- MS, University of Wisconsin-Madison
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