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Statistics

Statistics are often used in biology to approve or reject hypotheses, determine the probability of something occurring, taking and analyzing measurements, and much more.  Some of the most common statistical analyses used include standard deviation and t-test, both necessary in IB biology.  We will learn how to use these tests as well as others necessary for biology and statistics in general.

Excel Instructional Videos

Resources

  • IB Lab Standards Explained
  • Which Statistical Test Do I Use?
  • What Graph Do I Use?​
  • ​IA Databases Links 
  • ​Calculate Standard Deviation on TI-83 Video
  • Calculate t-test on TI-83
  • Calculate t-test on TI-83 Video
  • t-test Table
  • Significant Figures
  • Measurement Uncertainties
  • ​Casio Standard Deviation & T-Test from Stephen Taylor (starts at slide 22)
  • ​T-Test in Google Sheets

Accurate, Precise, or Both?

Picture

Internal Assessment Explanation Videos

IA: Analysis

IA: Evaluation


Statistics Explanation Videos

Standard Deviation, t-tests, & statistics

Calculate Mean, Median, Mode in Excel

Standard Error of the Mean & 95% Confidence Interval

Khan Academy Standard Deviation

Khan Academy t-test confidence interval

​Calculate T-Test in Google Sheets

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