Data Analysis for Business Decisions by Andres Fortino

Author:Andres Fortino
Language: eng
Format: epub
Publisher: Mercury Learning and Information
Published: 2020-10-15T00:00:00+00:00

FIGURE 9.8 Trendline of monthly SALES data.

16. There is a lot of variability to the monthly data. In addition, there is no discernible cyclicality to the data. So, this chart is not as useful as the simpler yearly data in discovering trends.

17. And if we tried the same analysis for the top four provinces compared to total sales but monthly, the chart gets even more confusing (Figure 9.9). One must produce both types of charts to see which one yields greater insight. Given that it was not insightful, this last chart does not need to be further formatted with chart title, series names, axes titles, and so on.

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