0. Assume you have downloaded the data. If not, click me now and save the file as "data-boston.lsp"

1. open  xlisp-stat. If you don't have it,  click me now.

2.  use pull-down menu  "file"  to load  the file " data-boston.lsp"

3. When loading is complete,  check what you have by  typing
        (variables)
4. You should see
       (DATA-B NAME-DATA-B)
5.  Then type
      name-data-b
6. You should see the names of  15 variables in Data-B

7.  Data-B is a list of  15 variables. To make sure, type
     (length data-b)
8.   To see the first variable in Data-B,  remember that lisp begins with zero, so type
       (nth 0 data-b)
   This gives the log of housing price for each of 506 census tracts in Boston