20010101
u
uu
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 the 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 operations 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.
1-2-7
Tests (TEST)
20011101
