Homework Answers
Q5)
Let us first imagine a downward sloping straight line fitted through the given data set.
We can see that as we move rightwards, the points are more and
more spread, thereby resulting in a funnel-type shape. So, as we
move rightwards, the difference between (actual value)
and
(fitted value) increases.
This results in non-constant variance for the given data set.
Hence 4th option is the correct option.
.
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TAMPALMS.txt (1.292 KB)
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This is should be the
TAMPALMS.txt (1.292 KB)
Property Market_Val Sale_Price
1 181.44 382.0
2 191.00 230.0
3 159.83 220.0
4 189.22 277.0
5 151.61 205.0
6 166.40 250.0
7 157.09 235.0
8 211.74 284.0
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11 131.05 200.0
12 191.98 285.0
13 138.85 170.0
14 147.95 215.0
15 121.98 149.0
16 113.08 165.0
17 138.02 205.0
18 162.65 262.5
19 ...
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