問題詳情
28.(5%) Suppose we want to investigate the relationship between the heights ofstudents and the sport teams they belong to. Suppose we are considering fourdifferent teams from the school: table tennis, basketball, baseball, and volley ballteams. Linear regression model can be used to analyze the data collected for thisend with dummy variables. How many dummy variables should we create for thismodel?
(A) 1
(B) 2
(C) 3
(D) 4
(E) 5
參考答案
答案：C
難度：計算中-1
書單：沒有書單，新增