A Computer Package Was Used to Generate the Following Printout

question 24

Multiple Choice

A computer package was used to generate the following printout for estimating the sale price of condominiumsin a particular neighborhood. $\begin{array}{rl}\text { X}=&\text { sale-price }\\\\\text { SAMPLE MEAN OF X} =&46,600\\\text { SAMPLE STANDARD DEV }=&13,747\\\text { SAMPLE SIZE OF X }= &15\\\text { CONFIDENCE } = &99\\\\\text { UPPER LIMIT }= & 57,166.70 \\\text { SAMPLE MEAN OF X }= & 46,600 \\\text { LOWER LIMIT }= & 36,033.30\end{array}$
What assumptions are necessary for any inferences derived from this printout to be valid?

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