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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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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 ...

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  • BE, Bangalore University, India
  • MS, University of Wisconsin-Madison
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