Before setting outlying values to the MEAN


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To produce the a histogram to visualize the distribution of average household size by district,

1.  Open the bdeshd1.sav file.

2.  Under Graphs menu click on Histogram.

3.  Select the variable hhsize (household size).

4.  Click on Display normal curve.

5.  Click OK.

ex12_1.jpg (24684 bytes)

This shows the skewing of household size, where the three bottom districts have unusually low household sizes.  In the case that you have three districts with unbelievable numbers, it might be best to set these districts to the mean value for all of the districts instead of setting them all to missing.

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