A Retail Chain Would Like to Test If a Difference

Multiple Choice

A retail chain would like to test if a difference exists between the variability of customer satisfaction scores from two locations. The following data represents satisfaction scores from a random sample of customers from these locations on a scale of 1- 20.
$$\begin{array} { | l | l | l | l | l | l | l | l | } \hline \text { Location 1 } & 12 & 14 & 20 & 18 & 15 & 17 & 16 \\\hline \text { Location 2 } & 18 & 19 & 17 & 18 & 16 & 20 & \\\hline\end{array}$$
Using ?=0.10, the critical value for this hypothesis test would be _____

A) 6.094
B) 5.343
C) 4.950
D) 3.405