iv. What is the essential tool (and subtypes) for seeing the big picture and revealing large information about the data series

Ms Excel

Explanation:

This software is popular among businesses today, which they use in performing data analysis. Often called a spreadsheet application, Ms (Microsoft) Excel allows businesses to see the bigger picture and revealing large information about the data series.

For example, by using Ms Excel, a business can look up the percentage differences in its revenue turnover for a period time (quarterly, monthly or yearly), by simply imputing their data series.

a. money supply  

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