Casio fx-9750G PLUS - Manual (Page 311)

283
3 (>)c
ccfw
daaw
cdaw
daaw
1 (CALC)
p
1
> p
2
............... direction of test
z ...................... z value
p ..................... p-value
ˆp
1
.................... estimated proportion of population 1
ˆp
2
.................... estimated proportion of population 2
ˆp ..................... estimated sample proportion
n
1
.................... sample 1 size
n
2
.................... sample 2 size
The following key operations can be used to draw a graph.
J
ccccc
6 (DRAW)
k k k k k t Test
You can use the following menu to select a t test type.
• { 1-S}/{2-S}/{REG} ... {1-Sample}/{2-Sample}/{LinearReg} t Test
u u u u u 1-Sample t Test
This test uses the hypothesis test for a single unknown population mean when the
population standard deviation is unknown. The
1-Sample t Test is applied to t -
distribution.
t =
o –
0
µ
σ x
n –1
n
o : sample mean
µ
0
: assumed population mean
x σ
n -1
: sample standard deviation
n : sample size
Perform the following key operations from the statistical data list.
3 (TEST)
2 ( t )
1 (1-S)
Tests
18 - 6