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Regression calculation (REG mode)
Note!
Use the
key to activate Reg mode to complete statistical
calculations with regressions. REG:
Linear regression
Logarithmic regression
Exponential regression
Power regression
Inverse regression
Quadratic regression
l Data input always starts with to clear statistical memory.
l The values produced by a regression calculation depend on the
values input, and results can be recalled using the key operations
shown in the table below.
Regression coefficient A
Regression coefficient B
Regression coefficient C
Correlation coefficient r
(estimated value of x) p
(estimated value of y) t
Linear regression
The regression equation for linear regression is: y = A+Bx.
Example 1.:
Atmospheric pressure vs. temperature
Tempera-
ture
Atmosphe-
ric pressure
10°C 1003 hPa
15°C 1005 hPa
20°C 1010 hPa
25°C 1011 hPa
30°C 1014 hPa
Perform linear regression to determine the
regression formula terms and correlation
coefficient for the data nearby. Next, use the
regression formula to estimate atmospheric
pressure at 18°C and temperature at 1000
hPa.
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  • What is the battery (in fact two button batteries) for the Olympia LCD-8310. I don't mean what voltage the batteries are (the two batteries are 1.5 volt each I'm pretty sure) but what is the code or the reference number for the battery. Submitted on 13-4-2023 at 14:08

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