Sharp EL-9650, Руководство по эксплуатации, Страница: 197 / 373

187
STATISTICS/ REGRESSION CALCULATIONS
for US
2. Press
Ï
to obtain the answer as shown to
the right.
*
indicates the success probability obtained from the
sample data.
[11 Ztest2prop]
Executes comparative test for the success probability, (P1, P2), obtained from two sets
of sample data collected from two different populations.
<Example11>
Here, we will test the success probability of P1 and P2 using the hypothesis, P1 < P2,
for the two sets of sample data n
1
= 50, x
1
= 16 and n
2
= 20, x
2
= 5.
1. Press
E 1 1
to input each parameter (as
shown to the right).
2. Press
Ï
to obtain answer as shown to the
right.
The answer is given using two screens.
*
indicates the calculated success rate of sample data 1
and 2 combined.
*
and show the success rates of each set of sample
data.
* “n1” and “n2” are positive integers.
EL-9650-(07)En (178-196) 8/1/00, 9:08 AM 187