Answer:
t test
Step-by-step explanation:
t test is used to test the significance of difference between two or more sample means.
F test is used to test the joint significance of independent variables, in determining dependent variable
Mann Whitney test is used to compare differences between independent group, when dependent variable is ordinal or continuous & not normally distributed.
So, to compare difference (vary) between amount of sales of Oak Ridge, Oak Wood, & Oak Park shopping malls : t test is the appropriate statistical test