Question

Give an example of a population and a quantitative variable on it, then describe what a test of significance on the mean of that population might look like. Remember that a test should include hypotheses, a test statistic, an -level, and a conclusion.

Answer 1

Example:

An American car company claims that the average milege given by a car is atleast 45 per gallon. The sample data collected on the basis of 23 and the mean and standard deviations found is 41 and 10.3 per gallon. Test the claim at 5% level of significance.