A pilot survey was conducted of $30$ individuals to understand their different attitudes

towards discount stores $($e$.$g$.,$ Walmart$),$ which usually come with low levels of service

versus departmental stores $($e$.$g$.,$ Macy$$s$)$ which come with higher levels of service.

Respondents were asked their opinion on a $0-9$ agree$-$disagree scale $($where $0$ indicates

strongly disagree and $9$ indicates strongly agree$)$ on the following statements