A random sample of 50 students has an average test score of 78 with a standard deviation of 10. Construct a 95% confidence interval for the true mean test score of the population.
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Step 1
Step 1: Identify the given information: - Sample size (\(n\)) = 50 - Sample mean (\(\bar{x}\)) = 78 - Sample standard deviation (\(s\)) = 10 - Confidence level = 95% Show more…
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