Section: Module 3: Lesson 2: Effect of Sample Size on Confidence Interval | Biostatistics | NextGenU.org

  • Learning Objective
    • Understand the effect of sample size and other conditions on estimation as well as understand and be able to calculate the sample size needed to achieve the desired confidence level.
    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
    • url icon
      Power and Sample Size Determination (30 mins) URL
      Students must
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      • Read the web page. Then, click on pages 2, 3, and 4, and read the content of each page.
      • Understand the effect of sample size and other conditions on estimation as well as understand and be able to calculate the sample size needed to achieve the desired confidence level.

    • url icon
      Confidence Intervals Introduction (30 mins) URL
      Students must
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      • Read the web page. Then, on the left hand side of the web page, click on the link titled "Standard" found under each of the following six headings: "8. Confidence Interval for Mean", "9. t distribution", "10. Confidence Interval Simulation", "11. Difference between Means", "12. Correlation", and "13. Proportion". Read the content of those web pages.
      • Understand the effect of sample size and other conditions on estimation as well as understand and be able to calculate the sample size needed to achieve the desired confidence level.

    • quiz icon
      Quiz: Module 3: Lesson 2
      Students must
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      Receive a grade
      Receive a passing grade

      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.