Casio FX-9750G PLUS User's Manual & Technical Reference page 308

18 - 6
Tests
The following shows the meaning of parameter data specification items that are
different from list data specification.
Perform the following key operations to display a graph.
280
.................... sample 1 mean
o
1
n
.................... sample 1 size (positive integer)
1
o .................... sample 2 mean
2
n
.................... sample 2 size (positive integer)
2
Example To perform a 2-Sample
For this example, we will perform a µ
List1 = {11.2, 10.9, 12.5, 11.3, 11.7} and List2 = {0.84, 0.9, 0.14,
–0.75, –0.95}, when σ
1(List)c
2(<)c
bf.fw
bd.fw
1(List1)c2(List2)c
1(1)c1(1)c
1(CALC)
µ < µ
............... direction of test
1 2
z ...................... z
p
..................... p-value
.................... sample 1 mean
o
1
.................... sample 2 mean
o
2
σ
x
............... sample 1 standard deviation
n
1 -1
σ
x
............... sample 2 standard deviation
2 n -1
n
.................... sample 1 size
1
n
.................... sample 2 size
2
J
cccccccc
6(DRAW)
Z
Test when two lists of data are input
= 15.5 and σ
1
value
< µ
test for the data
1 2
= 13.5.
2