4.00000 3 3.00000 2.00000 o 00000 00000 O 00000 2.00000 4.50 4.00000 3 3.00000 2

Question

4.00000 3 3.00000 2.00000 o 00000 00000 O 00000 2.00000 4.50 4.00000 3 3.00000 2.00000 o 00000 00000 00000 2.00000 2.50 5.00 3.00 5.50 Alcoho 3.50 4.00 Tobacco 6.00 4.50 6.50 5.00 3 4.00000 2.00000 00000 2.00000 4.00 4.00000 2.00000 00000 2.00000 00000 4.50 5.00 5.50 6.00 6.50 Alcoho 50000 00000 50000 2.00000 2.50000 Cook's Distance 3 4.00000 2.00000 00000 2.00000 2.50 4.00000 3 3.00000 2.00000 a 00000 00000 O 00000 2.00000 00000 3.00 10000 O O 3.50 4.00 Tobacco 20000 30000 Cook's Distance 4.50 40000 5.00 50000

Explanation / Answer

Explanation:

* The two assumptions are:

1. The residual plot that we observe must show clear pattern.

2. The residual plot does not show the outlier.

The above residual plots shows that there does not exist clear pattern and the above plots illustrates that there are two outliers in the plot. The two residual plots are violating the assumptions of normaliy in simple linear regression analysis.

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