Concept explainers
Interpretation:
The total increase (in dollars), the average yearly increase, and the total percentage increase according to the given graph are to be determined.
Concept Introduction:
Graph is a way of representing numerical data in the form of a chart. A graph makes the analysis of data a little bit easier, for example, it is easy to detect the overall decrease or increase of a particular substance over a wide range.
A two-dimensional graph has two axis. One is the y-axis, which is the vertical axis, whereas, the other is the x-axis, which is the horizontal axis.
Certain quantities can be obtained with the help of graph analysis. These are:
Total change can be determined by subtracting the highest value from the lowest.
Average yearly changes can be found out by dividing the total change by a total number of years.
Total percentage can be determined by dividing the total change by the first value and multiplying by
Yearly percentage can be calculated by dividing the total percentage change by a total number of years.
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