Question

A simple random sample of ten people is taken from the set of all registered voters in a given district to determine their average age. Which of the following is a reason why you can not make a statistical inference on the population?

Answer 1

Answer:

The sample size is not appropriate.

The population isn’t given to be approximately normal.  And for the following question, "A convenience sample of forty people is taken from a population. Which of the following is a reason why you can not make a statistical inference on the population?" The answer is The wrong sampling method was used.

Answer 2

Answer:

Answers are : (1st & 2nd choices)

• The sample size is not appropriate.

• The population isn't given to be approximately normal.