Math 243 (Phillips) Midterm 2 Information

• Midterm 2 is cumulative. Between 25% and 50% of the material on it will be from before Midterm 1.
• Always pay attention to whether the data were properly collected!
• Descriptions of experiments requiring a placebo must make clear what a placebo is.
• A correct solution to a hypothesis test must state the conclusion in terms of the original language of the problem. Just saying that we reject the null hypothesis, or conclude that the true mean is smaller than what the null hypothesis said (or something similar), or, if appropriate, that we do not reject the null hypothesis, etc., will not get full credit.

Some sample problems and their solutions for Midterm 2:

• All sample materials for Midterm 1.
• Midterm 2 from the previous time I taught this course, and its solutions.
• The following additional problems from the final exam from the previous time I taught this course: 1F, 2(1), 2(2), 4; solutions to the final exam from the previous time I taught this course.
• Sample Midterm 2 problems (pdf); AMSLaTeX. Solutions (pdf); AMSLaTeX. (If you use the TeX files, you will have to get the graphs separately.)
• Homework problems.
• Quiz problems.
• Examples in the book.
• Other sources include unassigned problem in the book, etc.

Versions of the real Midterm 2:

• blue.
• green.
• white.
• yellow.

Solutions to versions of the real Midterm 2:

• blue,
• green,
• white,
• yellow.

Midterm 2 statistics before any grading corrections; after grading corrections.

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