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

question 127

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.

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