This test is going to be tough, as it's all multiple choice, which means no partial credit! Read carefully, both in reading the question and reading the multiple choice options! Use all of your time! There is no prize for finishing early, so use the time you have! And pay attention to details!
And use your first "Quest" to study! It's a great place to start!
Here's a breakdown of the topics covered on tomorrow's test:
- Use a linear model to predict
- Calculate residuals
- Interpret slope, y-intercept, and R^2
- Interpret r (correlation)
- Read a computer output
- Read scatterplots to identify the general trend, in context
- Identify points with the largest smallest residual and/or leverage
- Identify outliers in a scatter plot
- Use a re-expressed equation to make predictions
- Find an "actual" value using the LSRL (to find a predicted value) and residuals
- Hypothesize about how a point may influence, slope, correlation, and y-intercept
- Find r from R^2 (check the slope for the +/-)!
- Identify a potential lurking variable
Some other suggestions for ways to study...
- Remember those extra credit multiple choice? (you may or may not have done them)...try those!
- On the Chapter 10 MC (we went over it and I gave you a key today), study: 2, 3, 5, 6, 32, 4
- Study your first "Quest"
- Use some of the online resources (linked on the right) to do practice multiple choice!
- Use a Barron's book--go to the back of the "Bivariate Data" section (look in the table of contents) for various practice multiple choice!
- Study the multiple choice from today's class! (Here are the answers):
- 2.) B
- 4.) E
- 5.) D
- 12.) B (Period A, the answer IS B)
- 9.) A
- 17.) B
- 4.) E
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