Procedure:
Example:
Given the temperature (degrees Fahrenheit) and water consumption (oz) data shown below, determine if there are there any unusual observations in the amount of water consumed for a given temperature?
|
TEMP |
Water Consumption |
|
75 |
16 |
|
83 |
20 |
|
85 |
25 |
|
85 |
27 |
|
92 |
32 |
|
97 |
48 |
|
99 |
48 |
Procedure:
For this example, we will use the instance when the temperature equals 75 degrees Fahrenheit.
Calculate the DFITS data for this data set.
Using the formula:
The formula for DFITS =
Regression Tutorials Menu STATS @ MTSU Dictionary