Thursday, January 11, 2007

Statistics: Confidence intervals and Binomial

We continued discussion of confidence intervals today, for 90%, 95%, and 99% confidence levels. In addition, we talked about using the sample standard deviation instead of the population standard deviation in the formula for determining a confidence interval.

We also discussed properties of binomial experiments, what makes up a binomial experiment, and the difference between dependent and independent events.

The notes in the book for these two chapters are quite excellent and superior to any notes I could post here since they also come with explanations.

Homework is p. 205 #20,22,27 p. 211 #28,29,30 (assume sample size of 30) p.216 #1,2,3

There will be a quiz on Monday on ch.5.1, 5.2, and 5.3. A summary has been posted in class.

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