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The following table gives the numbers of...

The following table gives the numbers of failures of commercial industries in a country during the years 2000 to 2015.

Draw a graph illustrating these figure.
Calculate the 4 yearly moving averages and plot them on the same graph.

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The correct Answer is:
Trend values are : ` 26.88, 24.75, 21,16.25,12.13,10.88, 11.25,12.13,12.00,10.5,7.88`
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