Suppose you are studying the influence of patient activity on the performance of a new drug. After collecting your data, you would like to examine the distribution of patient activity.
1 Open the worksheet EXH_TABL.MTW. If you have not already done so, set the value order for the variable Activity.
2 Choose Stat > Tables > Tally Individual Variables.
3 In Variables, enter Activity.
4 Under Display, check Counts, Percents, Cumulative counts, and Cumulative percents. Click OK.
Session window output
Tally for Discrete Variables: Activity
Activity Count CumCnt Percent CumPct Slight 9 9 9.89 9.89 Moderate 61 70 67.03 76.92 A lot 21 91 23.08 100.00 N= 91 |
You have 9 subjects with slight activity level, representing 9.89% of all the individuals in the study. You have 61 subjects with moderate activity level.
The cumulative count of 70 represents individuals in the slight and moderate activity category The cumulative percentage indicates that 76.92% (70/91) of the subjects in your study had slight or moderate activity levels. The cumulative percentage sums to 100% (9.89+67.03+23.08).