Analyze Factorial Design

General Full Factorial Designs - Factor Description

  

Minitab displays a description of the factors (and blocks if appropriate) that are in the fitted model. The description includes the factor name, the factor type (fixed or random), the number of levels for each factor, and the factor level values.

Example Output

Factor Information

 

Factor  Levels  Values

ExCoat       3  None, Paint, Plastic

Alloy        3  A, B, C

Interpretation

For the metal part data,

·    The model contains two factors (ExCoat, and Alloy).

·    ExCoat: there are 3 types of exterior coatings (levels) represented by None, Paint, and Plastic in the worksheet.

·    Alloy: there are 3 types of alloy (levels) represented by A, B, and C in the worksheet.