Tuesday, April 10, 2012

Inference Practice

Practice Inference Procedures

30 comments:

  1. I thought the website was helpful in the way that it guided me to the right answer after I got a question wrong. If I answered "hypothesis test...." and the answer had to do with confidence intervals, the pop up box hinted towards confidence intervals, making it easier for me to choose the appropriate choice.

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  2. I obviously had some confusion with the Chi Square problems due to the fact that we haven't learned them yet, but other than that I only had some minor mistakes where I would choose "hypothesis test..." when the answer was "confidence interval..." and vice versa. Overall, I think it was helpful.

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  3. I thought this site was a good way to show when each different test would be appropriate. The hints it gave were very helpful and explained why one test would be better than the other. I mixed up a couple of hypothesis and confidence interval tests a couple times, but the ones that were more confusing to me were the Chi Square tests because we haven't gone over those.

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  4. This site was helpful with guiding me to the right answers with the ones i got wrong. It was also helpful to see well worded questions that made it some what clear as to which test you would use. I believe the site is very helpful especially when we learn Chi Squares.

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  5. This site was helpful because it gave me a lot of practice with figuring out what tests were appropriate in which situation. I also like that it didn't just give you the correct answer when you got it wrong, it helped you to figure out the answer on your own. It still left me curious about Chi squares, but overall it was very helpful.

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  6. Is a prediction interval the same thing as a linear equation? Like y = mx +b?

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  7. This interesting website really helped clarify the diference between the various types of inference tests. Even though the list of test types was relatively long, it was encouraging to know that I knew most of them. This is perfect practice in order to decipher the questions on the AP test

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  8. I found this website very helpful in learning the wording and tips to being able to tell which test will be used. Although some tests are very similar to each other, this website clarified all confusions.

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  9. I thought that this website was really helpful because it had a lot of practice and gave you the correct answer when you answered it wrong. Instead of just giving you the answer, they gave you hints to help you figure it out on your own.

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  10. This website was somewhat helpful but my type of learning is better with someone speaking. It was helpful in adding on to what we learned in class and was good to classify which word problem was which. Due to the fact that some tests are hard to match from just words it was a little confusing.

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  11. I found the website very helpful. It helped me in remembering the names of each test and when i got them wrong it help with giving a key term to help get me the right answer.

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  12. I thought the website was really helpful because I am having trouble telling which type of problem it is and what type of test to do. Some problems are harder then others but the practice still helps

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  13. I found the website very helpful to clarify the differences between all of the different types of tests we have learned. The most helpful thing is the feedback you get when you guess incorrectly; it really helps direct you to the right answer.

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  14. I thought that differentiating between the confidence interval and hypothesis test was very hard. This is something I will have to work on while studying for the AP test. In general, I thought this website was very useful, and I will continue to use it in the next couple of weeks.

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  15. I think this website is incredibly useful because sometimes I think the hardest part of the problem is determining what it is asking and what procedure to take. Often times the procedures aren't the hardest part, but determining what the problem really wants you to do is often very challenging. This site helps give me a better idea of what different types of problems look like and it is very useful.

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  16. It's as confusing as any stats problem, I notice immediately. I found it difficult to do any of them, because personally, it's just a bit confusing to identify certain problems when you can't really think them through.

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  17. This website is really going to help me study for the AP test. Like will said, sometimes the hardest part isn't the procedure itself but figuring out what the problem is asking and trying to decide what test to use. This website will be useful over the next couple of weeks in preparation for the test

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  18. This website is very useful for studying for the AP test. Part of what makes it good is that it lists all the potential tests out for you, which is a luxury we won't have during the test but hopefully practicing on this will help us remember all of them. A hard part for me was deciding whether to use a confidence interval or hypothesis test, because that's not something we've had to do a lot in book problems.

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  19. I think this website is helpful because sometimes I think the most difficult part of the problem is figuring out what it is actually asking and what test to use. This website helps to identify the different types of problems.

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  20. I think that this website is a great resource in preparation for the AP test. I like that it helped me to decipher which test to use when, which is sometimes the hardest part of solving a problem. However, this website makes me realize I have a lot more studying to do before I can feel confident about my abilities.

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  21. This website helped me to better understand Chi Squares. I like how it helped you along without giving you the answer if you were struggling. I also think it will help me be better prepared for the AP test.

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  22. This website was really helpful in understanding the chi squares. I liked it because it had a focus on what the problem is asking for and what type of test to use which sometimes can be the hardest part. This will help for the AP test.

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  23. This website really helped me better learn when i should use chi square tests, hypothesis tests, and confidence intervals. i like the way the questions were presented so that you figure out which would be most appropriate and similar to everyone else, i really liked how it didn't just tell you the right answer when you got it wrong. when it guided me to the right answer by giving hints it really helped me better understand why i should use each particular test.

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  24. This site will be helpful in preparing for the AP exam because sometimes the hardest part of a problem is knowing what you are being asked to do.

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  25. This site is a great resource for kids studying for the stats exam. I like that you get feedback for wrong answers - reasons for why they are incorrect. Though these aren't realistic multiple choice questions, they will be really helpful in determining what method to use in the open response section, since that can be really tricky.

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  26. This website helped me in my journey of learning stats for the upcoming AP test. One the website I understood chi squared more. I understand which test to use now!

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  27. This site was very helpful in clarifying the use of these tests in context. The examples used were easy to understand, and it was useful to reinforce the differences of the tests. It was somewhat difficult to distinguish between confidence intervals and hypothesis tests at times, but much easier to tell the difference between the specific types of these tests. Overall, the website was very helpful in teaching me the ideas behind the tests, but also made me realize that I need a little more practice in using these tests before the AP test.

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  28. This website helped me in preparing for the upcoming AP test. For me sometimes the hardest part of a problem is the initial step of figuring out what they are asking you. This website helped me with this.

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  29. This website helped me a tremendous amount in preparing me for the exam because it really broke down each problem in a way which was easier for me to pick the correct answer. Before using this website as help, I was a little rocky on how to choose which test to use to solve a problem. It helped me to differentiate chi squared and hypothesis test problems. I also really liked the hints because if I didnt get the answer the first time, I got it the second time

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  30. This website helped me tell the differences in the types of tests and chi squares as well as overall just getting through the test itself. The website was also great for review and help in the AP test!

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