The points is an outlier on the graph is 1992, 45.4 thousand.
So, option D is correct one.
What is an outlier?
- The outlier is the point in the data or observation that is located far away from the rest of the data points.
- It is may be due to experimental error or variability in measurements.
- It leads to incorrect statistical analysis.
In the given graph we can observe that all data are plots on the line like 1999, 18.7 thousand , 1995, 33.7 thousand and 1990, 37.5 thousand except 1992, 45.4 thousand which is out of the line.
Types of graphs.
The data can be represented by different types of graphs.There are many types of graphs, some are given below.
- Bar graph
- Line graph
- Area graph
- Scatter graph
- pie chart
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