280
u
u
u
u
u
1-Prop
Z
Test
This test is used to test whether data that satisfies certain criteria reaches a
specific proportion. It tests the hypothesis when sample size and the number of
data satisfying the criteria are specified. The
1-Prop
Z
Test
is applied to standard
normal distribution.
Z
=
n
x
n
p
0
(1–
p
0
)
–
p
0
p
0
: expected sample proportion
n
: sample size
Perform the following key operation from the statistical data list.
3
(TEST)
1
(Z)
3
(1-P)
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
..................... sample size (positive integer)
Execute .......... executes a calculation or draws a graph
Example
To perform a 1-Prop
Z
Test for specific expected sample
proportion, data value, and sample size
Perform the calculation using:
p
0
= 0.5,
x
= 2048,
n
= 4040.
1
(
G
)
c
a.f
w
caei
w
eaea
w
1
(CALC)
Prop
G
0.5 ........ direction of test
z ...................... Z
score
p ......................
p-value
ˆp ......................
estimated sample proportion
n ......................
sample size
18 - 6
Tests
Summary of Contents for CFX-9970G
Page 22: ... CFX 9970G ...
Page 452: ...435 1 2 3 4 5 Program for Circle and Tangents No 4 Step Key Operation Display ...
Page 453: ...436 Program for Circle and Tangents No 4 Step Key Operation Display 6 7 8 9 10 ...
Page 454: ...437 11 12 13 14 15 Program for Circle and Tangents No 4 Step Key Operation Display ...
Page 455: ...438 16 17 18 Program for Circle and Tangents No 4 Step Key Operation Display ...
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