12
u
u
u
u
u
1-Prop
Z
Test
This test is used to test for an unknown proportion of successes. The
1-Prop
Z
Test
is
applied to normal distribution.
Z
=
n
x
n
p
0
(1
–
p
0
)
–
p
0
p
0
: expected sample proportion
n
: size of sample
Perform the following key operation from the statistical data list.
3
(TEST)
b
(Z)
d
(1-Prop)
Prop ............................ sample proportion test conditions (
“
G
p
0
”
specifies two-tail
test,
“
<
p
0
”
specifies lower one-tail test,
“
>
p
0
”
specifies upper
one-tail test.)
p
0
................................. expected sample proportion (0 <
p
0
< 1)
x
.................................. sample value (
x
>
0 integer)
n
.................................. size of sample (positive integer)
Save Res .................... list for storage of calculation results (None or List 1 to 20)
Execute ....................... executes a calculation or draws a graph
After setting all the parameters, align the cursor with [Execute] and then press 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.
Calculation Result Output Example
Prop
G
0.5 .................... direction of test
z ................................... Z
score
p ..................................
p-value
ˆp ..................................
estimated sample proportion
n ..................................
size of sample
# [Save Res] does not save the Prop condition
in line 2.
Содержание STAT 2
Страница 30: ...30 u u u u uInput Example u u u u uResults...
Страница 56: ...56 Calculation Result Output Example p F distribution probability...
Страница 64: ...Examples...
