The following article introduces you to the CHISQ.DIST function - one of the functions in the statistical function group is very popular in Excel.

Description: The function returns the distribution when squared, and this value is often used to understand variations as a percentage of the samples. Support function from Excel 2010 version.

Syntax: CHISQ.DIST (x, deg_freedom, cumulative)

Inside:

- x: Value to evaluate distribution.

- deg_freedom: Number of degrees of freedom.

- cumulative: The logical value that determines the form of the function, including:

+ cumulative = True -> returns the cumulative distribution function.

+ cumulative = False -> returns the probability density function.

Attention:

- If any value of the parameter is not numeric -> the function returns the error value #VALUE!

- If x -> the function returns the #NUM! Error value

- If deg_freedom is not an integer -> it is truncated to an integer.

- If deg_freedom or deg_freedom> 10 ^ 10 -> the function returns the #NUM! Error value

For example:

Calculate the distribution when the square returns the cumulative distribution function and the probability density function according to the data in the table below:

- Calculate the distribution when the square returns the cumulative distribution function. In the cell to calculate enter the formula: = CHISQ.DIST (C6, C7, C8)

- Press Enter -> distribution when the square returns as the cumulative distribution function is:

- Calculate the distribution when the square returns the probability density function. In the cell to calculate enter the formula: = CHISQ.DIST (C6, C7, C9)

- Press Enter -> distribution when the square returns as the probability density function is:

Above are instructions and some specific examples when using the CHISQ.DIST function in Excel.

Good luck!

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