33
SD type Statistical calculation Example:
To calculate
∑
x
2
,
∑
x, n, x, x
n
, x
n-1
, minX, maxX of data: 75,
85, 90, 77, 79 in SD mode (Freq: OFF)
Quadratic Regression type Statistical Calculation Example:
ABC Company investigate the effectiveness of the
advertisement expense in coded units, the following data were
∑
x
2
33120
∑
x
406
n
5
x
81.2
x
n
5.528109984
x
n-1
6.180614856
(SD)
Display
Key in operation
Advertisement expenses: X
18
35
40
21
19
Effectiveness: y (%)
38
54
59
40
38
Statistical Calculation Example
obtained:
Содержание F-718SA
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