Cumulative Percentage Table 2. Distribution of respondents according to age Age Frequency Percentage Valid Percentage Cumulative Percentage 21-25 5 11.6 26-30 11 25.7 37.2 31-35 12 27.9 65.1 36-40 9 21 86.0 41-50 9.3 97.7 56 and above 1 2.3 100.0 Bongani Ngwenya et al. Application of Decision Support Systems and Its Impact on Human Resources Output: A Study of Selected Universities in Zimbabwe. Journal of Computer Sciences and Applications, 2013, Vol. 1, No. 3, 46-54. doi:10.12691/jcsa-1-3-4 © The Author(s) 2013. Published by Science and Education Publishing.