H
0
:
µ =
H
a
:
µ > 0
µ < 0
µ ≠ 0
α =
σ =
n
=
I have data, and the observed
x
=
The truth about the population is µ =
UPDATE
RESET
Created with Raphaël 2.1.0
Not significant at level 0.05
P-value = 0.5000
Mean = 0
-1.265
-0.632
0.000
0.632
1.265