(
∑x
2
y
)
Sum of (X-data squares × Y-data)
(
∑x
4
)
Sum of biquadrate of the X-data
Var Sub-menu (
(STAT)
(Var))
Select this menu
item:
When you want to obtain this:
(
n
)
Number of samples
(
x
)
Mean of the X-data
(σ
x
)
Population standard deviation of the X-data
(s
x
)
Sample standard deviation of the X-data
(
y
)
Mean of the Y-data
(σ
y
)
Population standard deviation of the Y-data
(s
y
)
Sample standard deviation of the Y-data
Reg Sub-menu (
(STAT)
(Reg))
Select this menu
item:
When you want to obtain this:
(A)
Regression coefficient constant term A
(B)
Regression coefficient B
(
r
)
Correlation coefficient
r
(
x
ˆ)
Estimated value of X
(
y
ˆ)
Estimated value of Y
MinMax Sub-menu (
(STAT)
(MinMax))
Select this menu
item:
When you want to obtain this:
(minX)
Minimum value of the X-data
41
Summary of Contents for fx-82ZA PLUS
Page 64: ...2020 CASIO COMPUTER CO LTD...