Data Were Collected from the Sale of 25 Properties by a Local

Multiple Choice

Data were collected from the sale of 25 properties by a local real estate agent. The following printout concentrated on the land value variable from the sampled properties. HYPOTHESIS: MEAN X $= x$

What assumptions are necessary for any inferences derived from this printout to be valid?

A) The sampling distribution of the sample mean is approximately normal.
B) The sample was selected from an approximately normal population.
C) The sampled data are approximately normal.
D) None. The Central Limit Theorem makes any assumptions unnecessary.