Formulas > =CHIINV()

How To Use CHIINV() Function in Google Sheets


Calculates the inverse of the right-tailed chi-squared distribution.

Common questions about the CHIINV formula are:
1. What does CHIINV stand for?
2. What is the syntax and purpose of the CHIINV formula?
3. How do I use the CHIINV formula in Google Sheets?

The CHIINV formula can be used to calculate inverse chi-square probability. It requires one numerical argument, which represents the chi-squared statistic.

A common way the CHIINV formula can be mistyped is by not adding the required parentheses after the function.

Common ways the CHIINV formula is used inappropriately are:
1. Not specifying the chi-squared statistic as the function's only argument.
2. Specifying a non-numerical argument.
3. Using the formula to calculate the chi-squared probability instead of the inverse.

Common pitfalls when using the CHIINV formula are:
1. Not using the function correctly, resulting in inaccurate results.
2. Not customizing the function to your specific needs.
3. Not double-checking the results of the formula to make sure they are accurate.

Common mistakes when using the CHIINV Formula are:
1. Not specifying the chi-squared statistic as the function's only argument.
2. Not using the correct version of the formula for the type of data you're analyzing.
3. Not checking the range of values you're analyzing to make sure they are in the correct range for the formula to work correctly.

Common misconceptions people might have with the CHIINV Formula are:
1. That the formula will magically return the correct result without any customization. 
2. That the formula will work with any type of data, when in fact only numerical data is compatible with CHIINV.
3. That the formula is the same as a regular chi-squared formula, when it is actually an inverse type of calculation.

How To Actually Use CHIINV() in Sheets

CHIINV(probability, degrees_freedom)

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Learn more about the CHIINV() formula:

Google Sheets: Performing a Chi-Squared Test

This video explains how to perform a Chi-Squared test of independence on a two-way table using Google Sheets. The techniques will also work on other spreadsheets. The intended audience is IBDP mathematics students, particularly those taking the Mathematical Studies course or the new "Applications & Interpretation" course from 2019. The video shows how to calculate the test statistic without using the built-in functions.

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