Sunday, August 25, 2013

Monday!

Welcome back for week 2

This week we'll be focusing on three things:  The scientific method, sources of sampling error, and the metric sysytem.

There will be a quiz on this material on Friday!

Remember that everywhere in the world uses the metric system in science even here in the US, it is important to know the basic conversions because we too will using the metric system all year.

Tomorrow we're doing a lesson on sampling error, and a demonstration.

The four main reasons for sampling error are the following (this is what you should know for the quiz)

1) Rounding, Precision, and Accuracy
2)Sampling (when was the sample taken)
3) Technical and human error (nothing is perfect)
4) Unintentional bias
Tomorrow



The tving a bias

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