c$.(6$ points$)$ The client $($the ski resort manager$)$ tells you: $"$It is not worth it for me to know satisfaction separately for user type and user intensity, since all snowboarders are heavy users and skiers are infrequent users anyway". Check this statement using cross$-$tab analysis.

d$.(6$ points$)$ This ski resort is positioned as a snowboarder friendly resort with special emphasis on catering to locals who visit fairly frequently. In light of this, is the resort currently performing well? $($Hint: check the satisfaction rate for snowboarders.$)$