In a Five Group Discriminant Problem, Where the Groups Are $\overline{Y}$

Multiple Choice

In a five group discriminant problem, where the groups are equal in size, the mean discriminant score for each group is $\overline{Y}$ ₁ = 13.01, $\overline{Y}$ ₂ = 24.65, $\overline{Y}$ ₃ = 3.02, $\overline{Y}$ ₄ = 8.03, and $\overline{Y}$ ₅ = 42.06.
-What is the cutting score between Y₁ and Y₂?

A) 18.83
B) 16.75
C) 19.02
D) 18.90
E) none of the above