Estimate the mean score for all the students in the district

Reference no: EM131830005

The mean for the math component of the New Century Achievement Test is reported as 100, with a standard deviation (σ) of 15. A sample of 400 students throughout a particular school district reveals a mean () score of 110. Estimate the mean score for all the students in the district, using a 99% confidence interval.

Reference no: EM131830005

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