Random Error Analysis with the millisecond timer - measure human reaction time experiment

Looking to teach or prepare a session on random error analysis and error statistics? In this engaging video, we explore how to calculate random error using a hands-on reaction time experiment that’s perfect for the science lab. Learn how repeat measurements can be analysed using Excel to plot normal distributions via histograms, calculate standard deviation, and apply the empirical (three sigma) rule—all using real student-collected data. Discover how to make statistics fun and meaningful in the lab while helping students understand uncertainty and data spread through a practical, fast-paced activity that supports core learning objectives. Ideal for boosting engagement and improving scientific understanding through interactive learning.

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