1-Sample - Casio fx-9860G Series User Manual

t

1-Sample

Test
This test uses the hypothesis test for a single unknown population mean when the population
standard deviation is unknown. The 1-Sample
t = t =
σ x σ x
Perform the following key operations from the statistical data list.
3(TEST)
2(t)
1(1-S)
The following shows the meaning of each item in the case of list data specifi cation.
Data.............................. data type
μ .................................. population mean value test conditions ("
μ
................................. assumed population mean
0
List ............................... list whose contents you want to use as data (List 1 to 26)
Freq .............................. frequency (1 or List 1 to 26)
Save Res ...................... list for storage of calculation results (None or List 1 to 26)
Execute ........................ executes a calculation or draws a graph
The following shows the meaning of parameter data specifi cation items that are different
from list data specifi cation.
¯ x
.................................. mean of sample
σ
x
............................. sample standard deviation (
n
-1
n
.................................. size of sample (positive integer)
After setting all the parameters, use
one of the function keys shown below to perform the calculation or draw the graph.
• 1(CALC) ... Performs the calculation.
• 6(DRAW) ... Draws the graph.
6-5-11
Tests
μ μ
– –
0 0
n–1 n–1
n n
tail test, "< μ " specifi es lower one-tail test, "> μ
0
upper one-tail test.)
to move the highlighting to "Execute" and then press
20070201
t t
Test is applied to -distribution.
¯ x
: mean of sample
μ
: assumed population mean
0
σ
x
: sample standard deviation
n
-1
n
: size of sample
σ
x
> 0)
n
-1
μ
" specifi es two-
0
" specifi es
0