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    Question

    A  data analyst needs to compute summary statistics ,

    fit a regression model , and visualize data distributions . Which R package offers a comprehensive solution for both statistical analysis and visualization?  
    A dplyr Correct Answer Incorrect Answer
    B ggplot2 Correct Answer Incorrect Answer
    C stats Correct Answer Incorrect Answer
    D tidyverse Correct Answer Incorrect Answer
    E lattice Correct Answer Incorrect Answer

    Solution

    Explanation: tidyverse is a collection of R packages that support data manipulation, statistical modeling , and visualization . It includes:  

    • ggplot2 for visualization (histograms, boxplots).  
    • dplyr for data summarization.  
    • broom for regression model output.  
    This makes it the best choice for both statistical computation and visualization .  

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