/* Sample SAS code and data for problem 2.20 */

DATA digits;

INPUT digit occur;

cards;

       1                      109
       2                       75
       3                       77
       4                       99
       5                       72
       6                      117
       7                       89
       8                       62
       9                       43

;

title 'Problem 2.20: Digit occurrence';

proc insight;
open digits;
dist digit;
run;

/* To produce a bar graph of DIGIT: */
/* After running PROC INSIGHT and before closing the PROC INSIGHT displays, */
/* click on the "Analyze" menu, then choose "Histogram/Bar Chart". */
/* Click DIGIT, then click "Y".  Click OCCUR, then click "FREQ". */
/* Click "OK".  A bar graph should appear. */
/* To improve the look of it, */
/* click on the arrow at the bottom left of the graph. Choose "Ticks". */
/* Set First Tick to 1, Last Tick to 9 */
/* and Tick Increment to 1.  */
/* Set Axis Minimum to 1, Axis Maximum to 10. */
/* Click "OK". */