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What does the qqline() function in R do when used with a quantile-quantile plot?

A. Adds a line to the quantile-quantile plot

B. Plots the quantile-quantile line

C. Generates a random sample from a normal distribution

D. Evaluates the quantiles of a distribution

Answer: Option A


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Related Questions on Statistical Analysis with R (Distributions, Graphics)

What does the qqnorm() function in R do?

A. Plots a quantile-quantile plot for normality assessment

B. Generates a random sample from a normal distribution

C. Creates a normal probability plot

D. Quantifies the normal distribution of a variable