Home
>
Calculator
>
Shade Under Curves
Operation:
Select an operation
Shade under the standard normal curve
Shade under a normal curve
One tail z test
Two tail z test
Two sample two tail z-test
Two sample one tail z-test
Shade under the t curve
One tail t test
Two tailed t test
Shade chi squared
Z
=
(Obs - Avg)
SD
Lower bound:
Upper bound:
Lower bound:
Upper bound:
Average:
Standard Deviation:
Z
=
(Obs - EV)
SE
z:
Shade:
left
right
Z
=
(Obs - EV)
SE
z:
Z
=
(Obs
1
- Obs
2
) - 0
SD
1
2
n
1
+
SD
2
2
n
2
Stat Type:
Percent
Average
Obs
1
:
Obs
2
:
SD
1
:
SD
2
:
n
1
:
n
2
:
Z
=
(Obs
1
- Obs
2
) - 0
SD
1
2
n
1
+
SD
2
2
n
2
Shade:
left
right
Stat Type:
Percent
Average
Obs
1
:
Obs
2
:
SD
1
:
SD
2
:
n
1
:
n
2
:
t
=
(Obs - EV)
SE Plus
Lower bound:
Upper bound:
Degrees of Freedom:
t
=
(Obs - EV)
SE Plus
t:
Shade:
left
right
Degrees of Freedom:
t
=
(Obs - EV)
SE Plus
t:
Degrees of Freedom:
χ
2
=
(Obs - Exp)
2
Exp
Lower Bound:
Degrees of Freedom:
Run