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Moving Averages OCR Stage 8. Why use them? Moving Averages, when graphed, allow us to see any trends in data that are cyclical By calculating the average.

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Presentation on theme: "Moving Averages OCR Stage 8. Why use them? Moving Averages, when graphed, allow us to see any trends in data that are cyclical By calculating the average."— Presentation transcript:

1 Moving Averages OCR Stage 8

2 Why use them? Moving Averages, when graphed, allow us to see any trends in data that are cyclical By calculating the average of 2 or more items in the data, any peaks and troughs are smoothed out.

3 Year199619971998 Quarter123412341234 Sales 189244365262190266359250201259401265 265.25 270.75 269.25 4 Period Moving Average

4 Year199619971998 Quarter123412341234 Sales 189244365262190266359250201259401265 4 period Moving Average Quarters1-42-53-64-75-86-97-108-119-12 Moving Average 265265.25270.75269.25266.25269267.25277.75281.5

5 Year199619971998 Quarter123412341234 Sales 189244365262190266359250201259401265 1 23 4 1 23 4 1 23 4 100 200 300 400 500 x 1996 1997 1998 x x x x x x x x x x x Quarters1-42-53-64-75-86-97-108-119-12 Moving Average 265265.25270.75269.25266.25269267.25277.75281.5 x xx x xx x x x


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