- Hypothesis Testing
- Frequentist Inference
- Confidence Interval
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You are constructing a 95% confidence interval using the information: n = 60, = 65.5, s = 2.5, and E = 0.7. What is the value of the middle of the interval?
What sample size would be needed to estimate the population mean to within one-half standard deviation with 95% confidence?
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Step by step method for the construction of confidence interval is included in the answer.