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ARE 106
Econometrics Homework 3
Winter 2009
A. Havenner
Computer Problems:
1. Data 31 contains observations on
14
San Diego area house sizes and the prices they sold
~or
in 1990. See DatalRead info for the specific details. Open this dataset by selecting File/Open
data/Sample file, double click data31 House prices and square feet. Paste the Gretl output such as
Summary statistics, OLS regression results, and any tables or plots into your editable output file,
leaving room to write in any analysis requested by the questions.
(It
is easy to type in sentences
without Greek symbols; sometimes it is easier to write in neatly by hand certain mathematical
results.) In your work below, you will have to ignore the statistics that have not yet been discussed
which Gretl automatically calculates and reports at the bottom of the OLS results.
[3]
a. Is this dataset time series or cross section data? Why, very briefly? Obtain the summary
statistics for the prices and square feet and write a single sentence for each reporting the mean and
standard deviation. Be sure to identify the units in which each of
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 Winter '09
 Havenner
 Least Squares, Normal Distribution, Regression Analysis, Standard Deviation, Variance, gretl

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