Suppose That Six Different E-Readers Were Evaluated by Two Senior

Multiple Choice

Suppose that six different e-readers were evaluated by two senior citizen groups with respect to their suitability for use among the older segment of the population.The rankings from 1 (best) to 6 (worst) are shown below.Using the appropriate nonparametric method, the value of the calculated test statistic to determine if there is a difference in the rankings between the two magazines is ________________________ .
GLOBAL : Please place the table above and answers below

A) 2.5
B) 3
C) 5.5
D) 7.5
E) 10