This page includes Step-by-Step instructions to use Minitab to calculate the multiple regression equation for the Water/Temperature/Sun example.
Example:
Assume that for 7 randomly selected days during a three-hour period spent outside, a person recorded the
outside temperature, whether they were in the sun
or not, and their water
consumption. The number 1 indicates the sun was present and
the number 0 indicates that the sun was not present.
Use Minitab to find the Multiple Regression Equation if the amount of the amount of
water
consumed is dependent on the temperature
and the presence of sun.
Use
the data given below.
| Temperature (F) | Sun | Water Consumption (ounces) |
| 75 | 1 | 16 |
| 83 | 0 | 20 |
| 85 | 0 | 25 |
| 85 | 1 | 27 |
| 92 | 0 | 32 |
| 97 | 1 | 48 |
| 99 | 0 | 48 |
Preliminaries:
Entering
the data.
1. Select Stats>Regression>Regression
2. For Response type in
'Water Consumption' and for Predictors
type 'Sun' 'Temperature'
3. Select OK

Save the data. Select FILE > SAVE AS. Call the data set MinitabIndicator.
Learn the Procedure Modeling with Indicator
Variables
Regression Tutorial Menu Dictionary