REVIEW FOR MIDTERM 1
A. Topics we have covered in this section
1. The difference between populations and samples
2. Experiments vs. observational studies
3. Variables (and values of variables) vs. cases or subjects
4. Types of variables
5. Making histograms (you should be able to make and interpret histograms)
6. Distributions
7. Mean, median, mode
8. Spread, standard deviations
9. The normal distribution
10. z scores and using the Table in the book
11. Chance error vs. bias
12. Probabilities of events and combining probabilities
13. Independence vs. dependence
14. Sampling with or without replacement
15. Binomial coefficient
16. Binomial formula
B. Calculation skills needed
1. You should be able to calculate a mean
2. To calculate a standard deviation
3. To calculate a z-score
4. To use means and standard deviations, the normal table, and z-scores to answer questions
5. To calculate probabilities
6. To calculate number of outcomes in a binomial situation
7. To calculate exact probabilities of binomial outcomes
8. I will put the formula sheet and the table from the book on the exam
C. Rules for the exam
1. You may bring your hand calculators and pencils, pens, student id, nothing else--the formula sheet and the normal table will be included in the exam
2. If you forget your calculator
a. We will not supply any
b. You cannot share a calculator with anyone
3. Show all of your work.
a. Points will be assigned for each component of an answer.
b. Getting the correct final answer will only be a portion of the score