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11–10 Statistical Operations
File name 32sii-Manual-E-0424
Printed Date : 2003/4/24 Size : 17.7 x 25.2 cm
x
0 20 40 60 80
8.50
7. 50
6.50
5.50
4.50
r = 0.9880
m = 0.0387
b = 4.8560
(70,
y
)
y
X
What if 70 kg of nitrogen fertilizer were applied to the rice field
?
Predict the
grain yield based on the above statistics.
Keys: Display: Description:
70
_
Enters hypothetical x–value.
{
,
{
¸
ˆ
}
)
The predicted yield in tons per
hectare.
Limitations on Precision of Data
Since the calculator uses finite precision (12 to 15 digits), it follows that there
are limitations to calculations due to rounding. Here are two examples: