Sales manager wishing to predict the future sales.

Use Sales Data that found in the link below to perform the following:

1. Provide your comments on the sales trend.
2. Provide your comments on the sales seasonality.
3. Provide your comments on the obtained accuracy model.
4. Predict the upcoming 3 quarter sales.

Ensure that all steps are documented in an appropriate order, including output obtained from calculation performed using Minitab.

the link : https://www.dropbox.com/home/Statistical/Statistic