The document provides solutions and computations related to mathematical skills necessary for business coursework, particularly focusing on a breakdown service's call-out data over three days. It includes tasks such as plotting call-out data and calculating three-point moving averages. The material is accessible at a specified URL for further assistance.

1. Mathematical Skills for Business
Coursework solutions with computations, analysis and charts
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Uploaded:April 28, 2016
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Abstract
A garage starts a breakdown service that offers assistance in mornings, afternoons and
evenings. The number of call-outs during the first three days of the service are presented in
the table below:
Morning Afternoon Evening
Day 1 12 6 9
Day 2 15 9 12
Day 3 18 9 15
Required:
a) Plot the data over time.
4 marks
b) Work out three-point moving averages for the series and plot them on your graph.
6 marks