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SOLUTIONS FOR 2026.
⫸ element Answer: the entity for which data are collected
⫸ population Answer: the collection of al the elements of interest
⫸ sample Answer: a subset of the population
⫸ simple random sampling of size n from a population of size N
Answer: a sample selected such that each possible sample of size n
has the same probability of occurring
⫸ point estimation Answer: a form of statistical inference in which
we use data from a sample to compute a value of a sample statistic
that serves as an estimate of a population parameter
⫸ sampling distribution of x-bar Answer: the probability distribution
of a possible values of the sample mean x-bar
⫸ expected value of sample mean Answer: population mean