Explain the difference between sampling error and bias. Can they be controlled?
Name three estimators. Which ones are unbiased?
Explain what it means to say an estimator is (a) unbiased, (b) efficient, and (c) consistent.
Why is population shape of concern when estimating a mean? What does sample size have to do
Define (a) point estimate, (b) interval estimate, (c) confidence interval, and (d) confidence level.
List some common confidence levels. Why not use other confidence levels?
(a) List the steps in testing a hypothesis. (b) Why can't a hypothesis ever be proven?
(a) Explain the difference between the null hypothesis and the alternative hypothesis. (b) How is the
null hypothesis chosen (why is it "null")?
(a) Why do we say "fail to reject H0" instead of "accept H0"? (b) What does it mean to "provisionally
accept a hypothesis"?
(a) Explain the difference between a left-sided test, two-sided test, and right-sided test. (b) When
would we choose a two-sided test? (c) How can we tell the direction of the test by looking at a pair
Complete, Neat and Step-by-step Solutions are provided in the attached file.