Question

Many families in California are using backyard structures for home offices, art studios, and
hobby areas as well as for additional storage. Suppose that the mean price for a customized wooden, shingled backyard structure is $3100. Assume that the standard deviation is
$1200.
a. What is the z-score for a backyard structure costing $2300?
b. What is the z-score for a backyard structure costing $4900?
c. interpret the z-scores in parts (a) and (b). Comment on whether either should be
considered an outlier.
d. if the cost for a backyard shed-office combination built in Albany, California, is $13,000,
should this structure be considered an outlier? explain

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