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Study 3.3 Due to a crisis in subprime lending, obtaining a mortgage has
become difficult even for people with solid credit. In a report by the
Associated Press (August 25, 2007), sales of existing homes fell for a
5th consecutive month, while home prices dropped for a record 12th month
in July 2007. Mayan Horowitz, a research analyst for QuantExperts,
wishes to study how the mortgage crunch has impacted the once-booming
market of Florida. He collects data on the sale prices (in $1,000s) of
25 single-family homes in Fort Myers, Florida, in January 2007 and
collects another sample in July 2007. For a valid comparison, he samples
only three-bedroom homes, each with 1,500 square feet or less of space
on a lot size of 10,000 square feet or less.
Calculate descriptive statistics: the mean, median, mode, and standard deviation in the two sample periods (January and July).
Discuss one of the following:
- What changes occurred in the Fort Myers housing market during the 6-month period?
- What conclusions can you draw from the data?
- What additional data might you want, to understand the housing market better?
- What role do descriptive statistics play in understanding the housing market?