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  • https://stats.libretexts.org/Courses/Fresno_City_College/Book%3A_Business_Statistics_Customized_(OpenStax)/11%3A_The_Chi-Square_Distribution/11.02%3A_Facts_About_the_Chi-Square_Distribution
    For the χ2 distribution, the population mean is μ=df and the population standard deviation is σ=2(df). The random variable for a chi-square distribution with k deg...For the χ2 distribution, the population mean is μ=df and the population standard deviation is σ=2(df). The random variable for a chi-square distribution with k degrees of freedom is the sum of k independent, squared standard normal variables. For χχ21,000 the mean, μ=df=1,000 and the standard deviation, σ=2(1,000)=44.7. The mean, μ, is located just to the right of the peak.
  • https://stats.libretexts.org/Courses/Saint_Mary's_College_Notre_Dame/BFE_1201_Statistical_Methods_for_Finance_(Kuter)/07%3A_Hypothesis_Testing/7.14%3A_Facts_About_the_Chi-Square_Distribution
    For the χ2 distribution, the population mean is μ=df and the population standard deviation is σ=2(df). The random variable for a chi-square distribution with k deg...For the χ2 distribution, the population mean is μ=df and the population standard deviation is σ=2(df). The random variable for a chi-square distribution with k degrees of freedom is the sum of k independent, squared standard normal variables. For χχ21,000 the mean, μ=df=1,000 and the standard deviation, σ=2(1,000)=44.7. The mean, μ, is located just to the right of the peak.
  • https://stats.libretexts.org/Courses/Fresno_City_College/Introduction_to_Business_Statistics_-_OER_-_Spring_2023/11%3A_The_Chi-Square_Distribution/11.02%3A_Facts_About_the_Chi-Square_Distribution
    For the χ2 distribution, the population mean is μ=df and the population standard deviation is σ=2(df). The random variable for a chi-square distribution with k deg...For the χ2 distribution, the population mean is μ=df and the population standard deviation is σ=2(df). The random variable for a chi-square distribution with k degrees of freedom is the sum of k independent, squared standard normal variables. For χχ21,000 the mean, μ=df=1,000 and the standard deviation, σ=2(1,000)=44.7. The mean, μ, is located just to the right of the peak.

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