VARP function

Calculates variance based on the entire population.

Syntax

VARP(number1,number2,...)

Number1,number2, ...     are 1 to 30 number arguments corresponding to a population. Logical values, such as TRUE and FALSE, and text are ignored. If logical values and text must not be ignored, use the VARPA function.

Remarks

  • VARP assumes that its arguments are the entire population. If your data represents a sample of the population, then compute the variance using VAR.

  • The equation for VARP is:

    Equation

Example

Suppose all 10 tools stamped from the same machine during a production run are collected and measured for breaking strength.

St1

St2

St3

St4

St5

St6

St7

St8

St9

St10

Formula

Description (Result)

1345

1301

1368

1322

1310

1370

1318

1350

1303

1299

=VARP([St1], [St2], [St3], [St4], [St5], [St6], [St7], [St8], [St9], [St10])

Variance of breaking strengths for all the tools, assuming that only 10 tools are produced (678.84)

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