Question

Make a scatterplot for the data in each table. Use the scatter plot to identify and clustering or outliers in the data. Value of Home Over Time Number

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asked 2021-02-08
Make a scatterplot for the data in each table. Use the scatter plot to identify and clustering or outliers in the data.
Value of Home Over Time
Number of Years Owned: 0, 3, 6, 9, 12, 15, 18, 21
Value (1,000s of $): 80, 84, 86, 88, 89, 117, 119, 86

Answers (1)

2021-02-09
Step 1
Scatterplot
Number of years owned is on the horizontal axis and Value (1,000s of $) is on the vertical axis.
The number of years owned range from 0 to 21, thus an appropriate scale for the horizontal axis is from —3 to 22.
The value (1,000s of $) range from 80 to 119, thus an appropriate scale for the vertical axis is from 75 to 125.
image
Step 2
There appear to be two outliers at 15 and 18 years, because the corresponding points lie far above the general pattern in the other points.
Result:
Two outliers.
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