Casio ClassPad 300 Manual de usuario Pagina 376

  • Descarga
  • Añadir a mis manuales
  • Imprimir
  • Pagina
    / 670
  • Tabla de contenidos
  • MARCADORES
  • Valorado. / 5. Basado en revisión del cliente
Vista de pagina 375
20021201
2-Prop Z Interval
Command: TwoPropZInt
Description: This command obtains the confidence interval of the difference between the
proportions of successes of two populations.
The confidence interval is obtained using the following expressions.
The confidence level is 100 (1 –
α
)%.
Left = – – Z
α
2
x
1
n
1
x
2
n
2
n
1
n
1
x
1
1–
n
1
x
1
+
n
2
n
2
x
2
1–
n
2
x
2
Right = – + Z
α
2
x
1
n
1
x
2
n
2
n
1
n
1
x
1
1–
n
1
x
1
+
n
2
n
2
x
2
1–
n
2
x
2
n1, n2 : sample size
x1, x2 : data
Command Syntax
C-Level value, x1 value, n1 value, x2 value, n2 value
Definition of Terms
C-Level: confidence level (0 < C-Level < 1)
x1 : data value (integer, x1 > 0) of sample 1
n1 : size of sample 1 (positive integer)
x2 : data value (integer, x2 > 0) of sample 2
n2 : size of sample 2 (positive integer)
Input Example:
TwoPropZInt 0.95,132,200,90,150
Calculation Result Output
Left : interval lower limit (left edge)
Right : interval upper limit (right edge)
ˆp 1 : estimated proportion of sample 1
ˆp 2 : estimated proportion of sample 2
n1 : size of sample 1
n2 : size of sample 2
7-10-5
Confidence Intervals
Vista de pagina 375
1 2 ... 371 372 373 374 375 376 377 378 379 380 381 ... 669 670

Comentarios a estos manuales

Sin comentarios