Linear Regression – Assumption- 1 (Linear Relationship) Table Of Contents: What Is Q – Q Plot ? Example Of Q – Q Plot . Why There Is A Straight Line In The Q – Q Plot ? (1) What Is Q – Q Plot ? A Q–Q plot (Quantile–Quantile plot) is a probability plot that compares the quantiles of a dataset to the quantiles of a theoretical distribution (often the normal distribution). It helps to visually check if your data is normally distributed. (2) When to use a Q–Q Plot ? To assess normality (Is my data normally distributed?) To

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