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171
Appendix
Function
Calculation range
Notes
Statistic
calcula-
tions
x
_
sx
σ
x
r
|x| < 1
×
10
50
|y| < 1
×
10
50
|
Σ
x| < 1
×
10
100
Σ
x
2
< 1
×
10
100
|
Σ
y| < 1
×
10
100
Σ
y
2
< 1
×
10
100
|
Σ
xy| < 1
×
10
100
|n| < 1
×
10
100
n
≠
0
n > 1
|
Σ
x| < 1
×
10
50
0
≤
(
Σ
x)
2
n
Σ
x
2
–
n
–
1
< 1
×
10
100
n > 0
|
Σ
x| < 1
×
10
50
0
≤
(
Σ
x)
2
n
Σ
x
2
–
n
< 1
×
10
100
n > 0
|
Σ
x| < 1
×
10
50
|
Σ
y| < 1
×
10
50
0 < (
Σ
x
2
–
(
Σ
x)
2
n
) (
Σ
y
2
–
(
Σ
y)
2
n
) <1
×
10
100
|
Σ
xy
–
Σ
x
Σ
y
n
| < 1
×
10
100
< 1
×
10
100
Same for y
_
, sy and
σ
y