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CHIINV

The CHIINV function in Google Sheets is a powerful tool for calculating the inverse of the right-tailed chi-squared distribution. This function is commonly used in statistical analysis and hypothesis testing. Dive into our comprehensive guide to understand its syntax and application.

Function Syntax and Parameters

Syntax: CHIINV(probability, degrees_freedom)

Parameters:

  • probability: The probability associated with the chi-squared distribution.
  • degrees_freedom: The degrees of freedom for the chi-squared distribution.

Step-by-Step Tutorial

  1. Using CHIINV with given probability and degrees of freedom:
    • Example: =CHIINV(0.05, 10)
    • Result: Calculate the inverse of the right-tailed chi-squared distribution for a probability of 0.05 and 10 degrees of freedom.

Use Cases and Scenarios

  1. Statistical Analysis: Calculate critical values for hypothesis testing or confidence intervals.
  2. Quality Control: Determine the threshold value for accepting or rejecting a manufacturing batch.
  3. Medical Research: Calculate confidence intervals for treatment effect sizes.

Related Functions

  • CHIDIST: Calculate the chi-squared distribution.
  • CHITEST: Perform a chi-squared test of independence.

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