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OpenStudy (anonymous):
Check answer Please and help with #11. Suppose houses are available for purchase during construction of a new housing development. Two different types of houses are being built: rancher and colonial. The mean price of the ranchers is $319,000 with a standard deviation of $12,000. The mean price of the colonials is $405,000 with a standard deviation of $18,500. 8. Find the combined mean price of the two different types of houses. (2 points) $362,000 9. Find the combined standard deviation of the two different types of houses. (2 points) $22,051.0771 or $22,051.08
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