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Statistics Symbols - S



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Symbol: S

Meaning:
It is the sample standard deviation.
Formula used:
For ungrouped data
For ungrouped data

Symbol: S2(or S-square)

Meaning:
It is the sample variance.
Formula used:
For ungrouped data
For grouped data

Symbol: Se2 (or s-e square)

Meaning:
It is error variance.
Formula used:
For ungrouped data

Symbol: SD

Meaning:
It is the sample standard deviation.
Formula used:
For ungrouped data
For grouped data

Symbol: skb

Meaning:
It is referred to as the Bowley's coefficient of skewness
Formula used:
For grouped data

Symbol: SSx

Meaning:
It is the sum of squares
Formula used:
For ungrouped data, SSx=Σ(x-x)2
For ungrouped data, SSx=Σf(x-x̄)2

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