Casio fx-9750G PLUS User Manual Page 326

  • Download
  • Add to my manuals
  • Print
  • Page
    / 486
  • Table of contents
  • BOOKMARKS
  • Rated. / 5. Based on customer reviews
Page view 325
298
uu
uu
u1-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. 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 : sample size
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 ..................... sample size (positive integer)
Execute .......... executes a calculation
Example To calculate the 1-Prop Z Interval using parameter value
specification
For this example, we will obtain the 1-Prop Z Interval when
C-Level = 0.99, x = 55, and n = 100.
a.jjw
ffw
baaw
1(CALC)
Left ................. interval lower limit (left edge)
Right ............... interval upper limit (right edge)
ˆp ..................... estimated sample proportion
n ..................... sample size
18 - 7 Confidence Interval
Page view 325
1 2 ... 321 322 323 324 325 326 327 328 329 330 331 ... 485 486

Comments to this Manuals

No comments