Patent ID: 6539335
Filing Date: 2003-03-25
Classification: G06F

Abstract:
A data collection and analysis aid for performing statistical analysis of quantitative data in a plurality of categories, comprising:category name displays for displaying respective names of said categories; count buttons respectively corresponding to said category name displays for entering counts in said categories; category count displays respectively corresponding to said category name displays for respectively displaying cumulative category counts; a total count display for displaying a total count for all of said categories; category percentage displays respectively displaying category percentages of said category counts relative to said total count; and a processor arranged to: respectively show in said category count displays said category counts; show in said total count display said total count; respectively show in said category percentage displays said category percentages; increment each said category counts by one in response to each press of a corresponding count button; increment said total count by one in response to each press of said corresponding count button; and calculate and update said category percentages in said category percentage displays in response to each press of said corresponding count button; wherein when said processor is arranged to perform sampling analysis, said processor is arranged to calculate a required sample size based on a user estimated population size, a user estimated category percentage for a selected category, a desired sampling error, and a desired confidence level, said processor is also arranged to display said required sample size in a required sample size display, so as to enable a user to stop sampling when said required sample size is met.