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4434Measurements: can you believe them?
http://www.merlot.org/merlot/viewMaterial.htm?id=82609
Reliability of a measurement; an introduction to simple statistics for science students. Average, mean, deviation from the mean, standard deviation, systematic and random error.Significant figures and rounding off
http://www.merlot.org/merlot/viewMaterial.htm?id=82607
Digits, significant and otherwise; rules for rounding off and the reasoning behind them; some special cases such as crossing power-of-10 boundaries. Elementary but thorough treatment suitable for beginners in science.The meaning of a measurement: accuracy and precision
http://www.merlot.org/merlot/viewMaterial.htm?id=82605
How to deal with error and scatter in measured values; absolute and relative uncertainty. An elementary but thorough treatment suitable for beginners in science.What is Pseudoscience?
http://www.merlot.org/merlot/viewMaterial.htm?id=82613
How to recognize pseudoscience and distinguish it from science; pathological science, junk science, and "bad" science.Measurements: drawing conclusions from data
http://www.merlot.org/merlot/viewMaterial.htm?id=82611
The bell-shaped curve, confidence intervals, using statistical tests of make conclusions, how to lie with statistics.