1. Statistics
2. Hypothesis Testing
3. Frequentist Inference
4. Confidence Interval
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Use the given confidence level and sample data to find (a) the margin of error and (b) the confidence interval for the population mean. Assume that the population has a normal distribution.

Weight lost on a diet: 99% confidence; n = 61, x = 3.0 kg. s = 5.7 kg.

(a) E = ______kg (Round to one decimal place)

(b) What is the confidence interval for the population mean?

______ kg < mean < _______ (Round to one decimal place)