Section: Module 1: Lesson 3: Descriptive Statistics and Distribution | Biostatistics | NextGenU.org

  • Learning Objectives
    • Generate descriptive statistics from data, calculate descriptive statistics and standard deviations, and understand the methods of summarizing a single quantitative variable.
    • Summarize and describe the distribution of a categorical variable, and understand the uses and implications of the normal distribution.
    Approximate time required for the readings in this lesson (at 144 words/minute): 1 hour 

    Click here to start this module
    • Required Learning Resources and Activities
      • Read section 4.2, "Univariate non-graphical EDA" (pages 63–72). Then, read part of section 4.4, "Multivariate non-graphical EDA" (from page 88 through page 90). 
      • Generate descriptive statistics from data, calculate descriptive statistics and standard deviations, and understand the methods of summarizing a single quantitative variable.     

      • Read the entire web page.
      • Summarize and describe the distribution of a categorical variable and understand the uses and implications of the normal distribution.

      • Click on the link “Lecture Handouts (pdf, ppt)" found on the left side of the web page.  Then, under “Lecture Handouts”, click on the link “Chapter 4 Displaying, Summarizing Quantitative Data (pdf)” and read the entire handout.
      • Summarize and describe the distribution of a categorical variable and understand the uses and implications of the normal distribution.

      • Read down to the beginning of Example 4.5. Ignore any information relating to z-scores for now.
      • Summarize and describe the distribution of a categorical variable and understand the uses and implications of the normal distribution.

    • To access the quiz, click on the name of the quiz provided above. On the following screen, click the "Preview quiz now" button to view the case studies and respond to the questions.

    • Additional Learning Options
      • Download the PDF version of the text by clicking on the appropriate link. Then, read sections 2.5–2.7 (pages 100–120).