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Carl Lee
Felix Famoye

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Projects Using Food Company Data


The Food Company data set is used for various analyses in this online training workshop. They are:

Comparing Means


Nonparametric Test

Source of Data:

Neter, Kutner, Nachtsheim, Wasserman, , 1997, p. 676: Applied Statistical Models (4th Edition).

Description of Data:

A food company wished to test four different package designs for a new breakfast cereal in twenty stores, with approximately equal sales volume.  Each store was randomly assigned one of the package designs, with each package design assigned to five stores.  A fire occurred in one store during the study period, hence one of the designs was tested in only four stores.  The stores were chosen to be comparable in location and sales volume.  Other relevant conditions that could effect sales, such as price, amount and location of shelf space, and special promotion efforts were kept the same for all stores.  Sales, in number of cases, were recorded.

Variables in the data set are:


sales: Quantity Sold


design: Design of the Case


store_size: Size of store

The following is the Variable View in SPSS: :

Data sets for downloading: Food Company.sav       

Analysis of Data:

Click on the following movie clips to learn how to perform ANOVA and Nonparametric Independent Sample Test:

camera.gif (1225 bytes) Click here to watch One Way ANOVA

camera.gif (1225 bytes)  Click here to watch Nonparametric Independent Samples

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©This online SPSS Training Workshop is developed by Dr Carl Lee, Dr Felix Famoye , student assistants Barbara Shelden and Albert Brown , Department of Mathematics, Central Michigan  University. All rights reserved.