20050501
Input Example:
Syntax 1 (list format)
TwoSampleZInt 0.95,1,1.5,list1,list2,1,1
Syntax 2 (parameter format)
TwoSampleZInt 0.95,1,1.5,418,40,402,50
Calculation Result Output
Left :
interval lower limit (left edge)
Right : interval upper limit (right edge)
o
1
:
mean of sample 1 data
o
2
:
mean of sample 2 data
x
1
σ
n
-1
: standard deviation of sample 1 (Displayed only for list format.)
x
2
σ
n
-1
: standard deviation of sample 2 (Displayed only for list format.)
n
1
:
size of sample 1
n
2
:
size of sample 2
1-Prop
Z
Interval
Command:
OnePropZ Int
䡺
Description:
This command obtains the confidence interval of the proportion of successes
in a population.
The confidence interval is obtained using the following expressions.
The confidence level is 100 (1 –
α
)%.
Left
=
–
Z
α
2
Right
=
+
Z
x
n
n
1
n
x
n
x
1
–
x
n
α
2
n
1
n
x
n
x
1
–
n
: sample size
x
: data
Command Syntax
C-Level value,
x
value,
n
value
Definition of Terms
C-Level: confidence level (0
<
C-Level < 1)
x
:
data (0 or positive integer)
n
:
sample size (positive integer)
Input Example:
OnePropZInt 0.95,600,800
Calculation Result Output
Left :
interval lower limit (left edge)
Right : interval upper limit (right edge)
ˆp
:
estimated sample proportion
n
:
sample size
7-10-4
Confidence Intervals
Summary of Contents for ClassPad 300 PLUS
Page 11: ...20050501 ClassPad 300 PLUS ClassPad OS Version 2 20 ...
Page 197: ...20050501 2 10 7 Using Verify 4 Input x 2 1 and press E 5 Input x i x i and press E ...
Page 649: ...20050501 u Graph Line Clustered D u Graph Line Stacked F 13 8 2 Graphing ...
Page 650: ...20050501 u Graph Line 100 Stacked G u Graph Column Clustered H 13 8 3 Graphing ...
Page 651: ...20050501 u Graph Column Stacked J u Graph Column 100 Stacked K 13 8 4 Graphing ...
Page 652: ...20050501 u Graph Bar Clustered L u Graph Bar Stacked 13 8 5 Graphing ...