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EXCEL STDEV FUNCTION
Excel STDEV Function Introduction
The Excel STDEV function computes the sample standard deviation from a collection of data given.
Description of Excel STDEV Function
Syntax :
=STDEV( number1, [number2], … )
Parameters :
- The parameters, number1, [number2], and so forth, are numeric values between 1 and 255, arrays of values, or pointers to cells holding numbers. The function requires at least two numeric values from the inputs.
Step By Step Guide of STDEV Function
Example :
Assume you wish to know the standard deviation of adult male heights in London. It is not feasible to measure the heights of all males, however a sample of the population might be measured.
The measurements (in cm) of 3,000 adult males are included in the sample worksheet on the right. Cells B3-B1002, D3-D1002, and F3-F1002 hold the measured heights.
The standard deviation of the sampling group’s heights is determined in worksheet cell H3. The formula for this is as follows (as stated in the Excel formula bar):
Key Points
#DIV/0! – This error occurs when less than two numeric values are sent to the Stdev function.
#VALUE! – This error occurs if any of the values passed directly to the Stdev function are text values that cannot be translated as numeric values.
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