For more classes visit www.indigohelp.com Use the data in the chart to answer the questions below. The data indicates the number of “sick days” appliance installers take during a three month period, and the number of complaints filed by customers during the same interval. Use the Analysis Toolpak in Excel to perform this simple regression and answer the questions. a. Is the correlation between number of sick days and number of customer complaints statistically significant? b. What is the best prediction for the number of complaints that will be registered for an installer who takes five sick days during the period?