A. which confidence interval is wider? The 95% confidence interval or the 99% confidence interval?
difference for both confidence intervals: 0.109
95% CI for difference: (-0.123, 0.340)
99% CI for difference: (-0.199, 0.416)
B. Given an arbitrary data set, is there a general relationship between confidence level and the width of the confidence interval? Explain.
Please make the answers to parts A and B detailed and easy to read and follow, thank you :)
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