Distribution Plot
Normal, Mean=0, StDev=1
❖ α = 0.05 One Tail
❖ Z Critical = 1.645
0.4
Density
0.3
0.2
❖ α = 0.10 One Tail
0.1
0.05
0.0
0
X
1.645
❖ α = 0.05 Two Tails
❖ Z Critical = 1.96
Distribution Plot
Normal, Mean=0, StDev=1
0.4
Density
0.3
❖ α = 0.10 Two Tail
0.2
0.1
0.025
0.0
❖ Z Critical = 1.282
0.025
-1.960
0
X
❖ Z Critical = 1.645
1.960
Z Table
❖ α = 0.05 One Tails
❖ Df = 14
❖ t Critical = - 1.761
❖ α = 0.05 Two Tails
❖ Df = 14
❖ t Critical = 2.145
t Table
❖ α = 0.10 One Tail
❖ Df = 19
❖ χ2 Critical = 27.20
❖ α = 0.10 Two Tail
❖ Df = 19
❖ χ2 Critical = 10.117
and 30.14
Chi-square Table
F- Distribution
F- Distribution
Slide
4