CHISQ.DIST.RT function

Returns the right-tailed probability of the chi-squared distribution.

The χ2 distribution is associated with a χ2 test. Use the χ2 test to compare observed and expected values. For example, a genetic experiment might hypothesize that the next generation of plants will exhibit a certain set of colors. By comparing the observed results with the expected ones, you can decide whether your original hypothesis is valid.

Syntax

CHISQ.DIST.RT(x,deg_freedom)

The CHISQ.DIST.RT function syntax has the following arguments:

  • X     Required. The value at which you want to evaluate the distribution.

  • Deg_freedom     Required. The number of degrees of freedom.

Remarks

  • If either argument is nonnumeric, CHISQ.DIST.RT function returns the #VALUE! error value.

  • If any argument is nonnumeric, CHISQ.DIST.RT function returns the #VALUE! error value.

  • If deg_freedom is not an integer, it is truncated.

  • If deg_freedom < 1 or deg_freedom > 10^10, CHISQ.DIST.RT returns the #NUM! error value.

Example

Copy the example data in the following table, and paste it in cell A1 of a new Excel worksheet. For formulas to show results, select them, press F2, and then press Enter. If you need to, you can adjust the column widths to see all the data.

Data

Description

18.307

Value at which you want to evaluate the distribution

10

Degrees of freedom

Formula

Description

Result

=CHISQ.DIST.RT(A2,A3)

One-tailed probability of the chi-squared distribution, for the arguments specified in A2 and A3.

0.0500006

Applies To: Excel 2013, Excel 2010, Excel Starter, Excel Online, Excel 2016 for Mac



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