What Is a 12-Month Average and How Is It Calculated?
Learn what a 12-month average is and how to calculate it to identify trends and smooth data fluctuations over a year.
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A 12-month average is a calculation method that determines the average value of a set of data over a 12-month period. To compute it, sum the values of each month in a year and then divide by 12. This averaging method is useful for identifying trends and smoothing out short-term fluctuations in data.
FAQs & Answers
- Why is a 12-month average important? A 12-month average smooths out short-term data fluctuations, helping to identify long-term trends and patterns over a full year.
- How do you calculate a 12-month average? Add the data values for each of the 12 months, then divide the total by 12.
- What types of data benefit from using a 12-month average? Data with seasonal or irregular short-term changes, such as sales figures, weather data, or economic indicators, benefit from 12-month averaging.