The article “The Responsiveness of Food Sales to Shelf Space Requirements” (J. Marketing...

The article “The Responsiveness of Food Sales to Shelf Space Requirements” (J. Marketing Research, 1964: 63–67) reports the use of a Latin square design to investigate the effect of shelf space on food sales. The experiment was carried out over a 6-week period using six different stores, resulting in the following data on sales of powdered coffee cream (with shelf space index in parentheses):

Construct the ANOVA table, and state and test at level .01 the hypothesis that shelf space does not affect sales against the appropriate alternative.