The Excel spreadsheet workbook contains information about surveys that were conducted in the past five years and special research. This workbook includes information on end-user and dealer satisfaction. The spreadsheets also contain ordinal data collected from other sources. Data from other sources are used to compile the customer survey 2015. These data can also be considered ordinal. This worksheet contains notional data gathered from different sources. Continuous data from the internal source about tractor and mower sales can be used for calculating total mower sales. Distinct data from external sources is needed to determine industrial mower totals.
The nominal data gathered from internal sources is the cost per unit of manufacturing and operating and interest costs, post-delivery defects, and on-time deliveries. Internal interval data includes time taken to pay suppliers, employee satisfaction and the response time. Special studies provide periodic data such as engine manufacturing costs, unit tractor transmission cost, blade weight and shipping costs. Also, buying surveys are collected. For the Employee Retention worksheet, special studies collected nominal, categorical, and interval data. A collection of data from special investigations is the mower test.