Question 1 Please submit a Rmarkdown (word format) report capturing the


Question 1

Please submit a Rmarkdown (word format) report capturing the following:Use the attached Iris Dataset: iris_exams.csv  (click to download).Provide at least the following in the report for full credit: (1) Understanding the Data:

  • The structure of the data and a preview of the data.
  • Frequency Distribution. (Frequency Tables & Plots for each variable in the dataset (Barplots/Histograms)). Make sure to capture the skewness and kurtosis. – Provide an interpretation in one paragraph  (no more than 300 words) explaining the distribution of the data. 
  • Summary Statistics of the Data at least including mean, quartiles, min/max, and standard deviation. 

Question 2

Using the mtcars dataset, demonstrate the skills you have learned so far in class and submit a Rmarkdown (word doc) report including the following:

  • Develop a hypothesis
    • What is your hypothesis?
    • What columns are IVs
    • What columns are DVs
    • What columns are ignoble (why)
  • Check for Errors & Missing Data
  • Clean the data
    • How did you deal with NAs
    • How did you deal with outliers
  • Check Assumptions using Parametric Tests
    • Additivity 
    • Linearity
    • Normality
    • Homogeneity, Homoscedasticity

    Question 3

    Create a bar graph using the attached Iris dataset: iris_exams.csv  (click to download). Compare the Sepal Length of the flower Species. Include the following:

  • Main Title
  • X and Y-Axis Labels
  •  Colors by Species 
  • Provide an interpretation in one paragraph  (no more than 300 words) explaining the distribution of the data. 

Which Species Sepal.Length is greater?

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