Analysis
Duncan[a,b]
│ Subset
SP36 N│ 1
───────┼───────
3 12│27.4817
───────┼───────
2 12│27.4908
───────┼───────
1 12│27.5442
───────┼───────
Sig. │ .587
───────┴───────
Means for groups in homogeneous subsets are displayed.
Based on observed means.
The error term is Mean Square(Error) = ,069.
a. Uses Harmonic Mean Sample Size = 12,000.
b. Alpha = 0,05.