For a Repeated-Measures Study Comparing Three Treatment Conditions with a Sample

Multiple Choice

For a repeated-measures study comparing three treatment conditions with a sample of n = 4 participants,the participant totals (the P values) are 3,6,9,and 6,and the SS values within each treatment are SS₁ = 2,SS₂ = 2 and SS₃ = 6.What is the value for SS_error?​

A) 2​
B) ​4
C) ​6
D) ​10