Z-score Hypothesis Testing Examples
EXAMPLE
1
H0:
X = 18
H1:
X 18
a = .05
X
= 15
m = 18
SD = 1.6
z = X -
m
SE
EXAMPLE
2
H0:
X = 25
H1:
X 25
a = .05
X
= 28
m = 25
SD = 2
z = X -
m
SE
