AP Notes, Outlines, Study Guides, Vocabulary, Practice Exams and more!

STATS PRACTICE

Wait just a minute here...

In order to access these resources, you will need to sign in or register for the website (takes literally 1 minute!) and contribute 10 documents to the CourseNotes library. Until you contribute 10 documents, you'll only be able to view the titles and some teaser text of the uploaded documents. There are 100,000+ essays, DBQs, study guides, practice tests, etc. that are only available to members that contribute. So what are you waiting for?

Get started right now!

Subject: 
Statistics
Rating: 
0
No votes yet
Tags: 
Regression analysis
Design of experiments
Econometrics
Statistical dependence
Dependent and independent variables
Correlation and dependence
Scatter plot
Coefficient of determination
Statistics
Causality
Confounding
Plot

AP Statistics Name ____________________________________________ Chapter 4 Practice Test Part I - Multiple Choice Suppose that the scatterplot of (log x, log y) shows a strong positive correlation Which of the following must be true? The variables x and y also have a correlation close to 1. A scatterplot of (x, y) shows a strong nonlinear pattern. The residual plot of the variables x and y shows a random pattern. I only II only III only I and II I, II, and III What is the purpose of residual plots? To determine causation. To assess the type of relationship that exists between x and y. To check the appropriateness and fit of the regression equation for the data. To measure the variability in the residuals. To provide predictions for the response variable.

Need Help?

We hope your visit has been a productive one. If you're having any problems, or would like to give some feedback, we'd love to hear from you.

For general help, questions, and suggestions, try our dedicated support forums.

If you need to contact the Course-Notes.Org web experience team, please use our contact form.

Need Notes?

While we strive to provide the most comprehensive notes for as many high school textbooks as possible, there are certainly going to be some that we miss. Drop us a note and let us know which textbooks you need. Be sure to include which edition of the textbook you are using! If we see enough demand, we'll do whatever we can to get those notes up on the site for you!