Question: Exercise #1: #1 What is statistical inference? #2 What is an estimator? #9Why is the sample mean considered the best point estimate of the population

Exercise #1: #1 What is statistical inference?

#2 What is an estimator?

#9Why is the sample mean considered the best point estimate of the population mean?

Exercise #2:

#3 What is the role of the z-value in the confidence interval expression?

#15 What is the value of having a confidence interval with a small width?

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