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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 investigated the effectiveness of the
advertisement expenses in coded units, the following data was
obtained:
∑x
2
33120
∑x
406
n
5
x
81.2
x n
5.528109984
x n-1
6.180614856
(SD)
DisplayKey in operation
Advertisement expenses: X 18 35 40 21 19
Effectiveness: y (%) 38 54 59 40 38
Statistical Calculation Example
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