2. Consider a dataset of two paired variables, X and Y, that have the following properties: n = 10 X0 SEd =0 a. Provide values for X and Y that have the four properties listed above. There are many possible solutions, so show that each property is true for your values. (4pt) b. Suppose this data met all assumptions of a paired t-test. Why would you still be unable to test if there is a significant mean difference? (1pt)