T T02-02 Scattergram (by Observation) & Dot Plot (by Value) Purpose Allows the analyst to create line plots, bar graphs and pie charts from data, which has previously been summarized, in a tabular summary format. Inputs Original Quantitative Data Outputs Sorted Quantitative Data Original Data Scattergram Frequency Dot Plot Limitations 1000 quantitative data
T An Example An accounting firm has collected a sample of audit times from last year. To get a better feel for the distribution of the audit times the manager wants to look at a Frequency Dot Plot of the audit times.
T Data can either be entered directly into the Original Data cells or copy/paste special/values into the cells.
T Once the data is entered the Sort Macro can be run to sort the Original Data into the Sorted Data cells.
T Worksheet Tabs can be selected to view the Original Data Scattergram & Frequency Dot Plot.
T The Scattergram displays a plot of the observations in the sequence they were entered.
T The Dot Plot displays a frequency plot of the observations.