A New All-Purpose Cleaner Is Placed in Four Different Locations $\alpha=0.01$

Essay

A new all-purpose cleaner is placed in four different locations in a supermarket. We would like to evaluate whether there is a significant difference in the number of cans sold with regard to location. The sample data below gives the number of cans sold in randomly selected supermarkets during a one-week period.
a. Complete the one-way ANOVA table.
b. Test whether there is a significant difference in sales of the all-purpose cleaner with regard to location. Use $\alpha=0.01$ .