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  1. Q–Q plot - Wikipedia

    A Q–Q plot is a plot of the quantiles of two distributions against each other, or a plot based on estimates of the quantiles. The pattern of points in the plot is used to compare the two distributions. The main …

  2. The Complete Guide: How to Interpret Q-Q Plots - Statology

    Jan 19, 2024 · A Q-Q plot, short for “quantile-quantile” plot, is used to assess whether or not a set of data potentially came from some theoretical distribution. In most cases, this type of plot is used to …

  3. The Q-Q Plot: What It Means and How to Interpret It - DataCamp

    Nov 17, 2024 · A Q-Q plot, or Quantile-Quantile plot, is a visual tool used to compare the distribution of a dataset to a theoretical distribution, such as the normal distribution.

  4. Quantile Quantile plots - GeeksforGeeks

    Jul 23, 2025 · Q-Q plots, short for quantile-quantile plots, offer a visual method for assessing distribution similarity. In these plots, quantiles from one dataset are plotted against quantiles from another. If the …

  5. Understanding QQ Plots - UVA Library

    The QQ plot, or quantile-quantile plot, is a graphical tool to help us assess if a set of data plausibly came from some theoretical distribution such as a normal or exponential.

  6. QQ Plot: Uses, Benefits & Interpreting - Statistics by Jim

    What is a QQ Plot? A QQ plot, or Quantile -Quantile plot, is a visual tool that determines whether a sample: Was drawn from a population that follows a specific probability distribution, often a normal …

  7. 1.3.3.24. Quantile-Quantile Plot - NIST

    Mar 3, 2024 · A q-q plot is a plot of the quantiles of the first data set against the quantiles of the second data set. By a quantile, we mean the fraction (or percent) of points below the given value.

  8. How to Interpret a Q-Q Plot (with Examples) - Learning Tree

    What is a Q-Q Plot? A Q-Q plot is a graphical method used to compare two probability distributions by plotting their quantiles against each other. In most data analysis scenarios, you will use a specific …

  9. Q-Q Plots Explained - Built In

    Apr 25, 2025 · Quantile-quantile (Q-Q) plots are used to check whether data follows a theoretical distribution by comparing the quantiles of the observed and theoretical data. Take a closer look at …

  10. QQ Plot: Comparing Distributions Has Never Been Easier

    A QQ Plot, or Quantile-Quantile Plot, is a graphical tool that compares two probability distributions by plotting their quantiles against each other.