Showing posts with label review. Show all posts
Showing posts with label review. Show all posts

Thursday, November 4, 2010

Stuff to review for the second midterm.

The second midterm will cover topics from Homeworks 6, 7, 8, 9 and 10. These will include:

Distributions from independent trials (sampling with replacement)
Distributions from dependent trials (sampling without replacement)
Margins of error from opinion poll percentages (also know as the 95% confidence interval)
The confidence of victory formula
Sentences that explain margin of error and confidence of victory numbers
Modern and classic pari-mutuel payoffs (profit and risk)
Expected Value of a win-lose game
Hypothesis testing
Rejecting the null hypothesis and failing to reject the null hypothesis
Type I error (rejecting the null when you shouldn't)
Type II error (failing to reject the null when you should)
Formulas for creating the test statistic for hypothesis testing (z-scores and t-scores)
Finding the threshold number for hypothesis testing (one-tailed high, one-tailed low, two tailed)