Online computer sales data

An online retailer wants to predict computer sales for the next six months. The retailer collects data on computer sales and software sales from the previous two years to predict future trends.

You can use this data to demonstrate Double Exponential Smoothing, Autocorrelation, Partial Autocorrelation, and other analyses that use time series data that have trends for forecasting.

Worksheet column Description
Computer Sales The number of computers sold in a region per month
Software Sales The number of software licenses sold over the same time period
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