Scheffe

income

N

Subset for alpha = 0.05

1

2

4401-6600

50

2.50800

2201-4400

75

2.72800

2.72800

less than 2200

17

2.97647

2.97647

over 6600

39

3.10769

Sig.

.184

.363

Means for groups in homogeneous subsets are displayed.

a. Uses Harmonic Mean Sample Size = 33.956.

b. The group sizes are unequal. The harmonic mean of the group sizes is used. Type I error levels are not guaranteed.