At the end of every school year, the state administers a reading test to a simple - 88233

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At the end of every school year, the state administers a reading test to a simple random sample drawn without replacement from a population of 20,000 third graders. This year, the test was administered to 36 students selected via simple random sampling. The test score from each sampled student is shown below: 50, 55, 60, 62, 62, 65, 67, 67, 70, 70, 70, 70, 72, 72, 73, 73, 75, 75, 75, 78, 78, 78, 78, 80, 80, 80, 82, 82, 85, 85, 85, 88, 88, 90, 90, 90 Using sample data, estimate the mean reading achievement level in the population. Find the margin of error and the confidence interval. Assume a 95% confidence level.
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