20050401
u
u
u
u
u
1-Prop
Z
Interval
1-Prop
Z
Interval
uses the number of data to calculate the confidence interval for an
unknown proportion of successes.
The following is the confidence interval.
α
is the level of significance. The value 100 (1 –
α
) %
is the confidence level.
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
: size of sample
x
: data
Perform the following key operations from the statistical data list.
4
(INTR)
1
(Z)
3
(1-P)
Data is specified using parameter specification. The following shows the meaning of each
item.
C-Level ........................ confidence level (0
<
C-Level < 1)
x
.................................. data (0 or positive integer)
n
.................................. size of sample (positive integer)
Save Res .................... list for storage of calculation results (None or List 1 to 26)
Execute ....................... executes a calculation
After setting all the parameters, use
c
to move the highlighting to “Execute” and then press
the function key shown below to perform the calculation.
•
1
(CALC) ... Performs the calculation.
Calculation Result Output Example
Left .............................. confidence interval lower limit (left edge)
Right ............................ confidence interval upper limit (right edge)
ˆp
.................................. estimated sample proportion
n
.................................. size of sample
6-6-6
Confidence Interval
Summary of Contents for fx-9860G AU PLUS
Page 1: ...fx 9860G AU User s Guide E http edu casio com ...
Page 2: ...Important Please keep your manual and all information handy for future reference ...
Page 27: ...20050401 1 1 Keys 1 1 1 Keys ...
Page 335: ...20050401 u u u u u Input Example u u u u u Results 6 5 25 Tests ...
Page 361: ...20050401 Calculation Result Output Example p F distribution probability 6 7 15 Distribution ...
Page 435: ...20050401 8 8 2 Program Library egcw w ww w ...
Page 437: ...20050401 8 8 4 Program Library Example 1 Example 2 fw baw bf w fw baw ca w ...
Page 439: ...20050401 8 8 6 Program Library wba wb w w d ...
Page 441: ...20050401 8 8 8 Program Library dw fcde wfcde wfcde fcde w daw w 20070101 ...
Page 443: ...20050401 8 8 10 Program Library b awaw bwaw aw x d w ...
Page 590: ...CASIO COMPUTER CO LTD 6 2 Hon machi 1 chome Shibuya ku Tokyo 151 8543 Japan SA0701 E ...