<p>"secondly your teacher should have told you that z-mean test do not show up on FRQ. only Z-proportional test do"</p>
<p>Huh? You mean in the past, or what? Do you have any source for that information, or are you just going by the "if it didn't happen before, it won't happen ever" route?</p>
<p>one sample Z-mean test and two sample z-mean test are not tested on the second part of the exam (the short answer). They are only tested in the multiple choice. It is a fact, not an assumption. All the other tests can however be tested on the second part. My teacher really prepared us for the AP exam so I was ready for it in every aspect except for part e on #6</p>
<p>yeah i have seen multiple choices that try to trick you by providing you with the population standard deviation when it is a means test</p>
<p>what tushar said is true - Z-Tests for means are not included on the free response</p>
<p>my teacher never really explained well what was standard error. I however did manage to pull out some bull. I still can get a 5 if I messed up part e on #6 right? I did fairly well on everything else</p>
<p>Yeah that was too bad...</p>
<p>part e for #6 was an interpretation in context</p>
<p>what does standard error have to do with it</p>
<p>and also, you can definitely get a 5 still...no problem</p>
<p>Part e had to do with standard error. At least in the east coast.</p>
<p>6e probably wasnt worth that much so you should be fine. if you dont understand standard error then i dont know how you would do 6c though.</p>
<p>i'm on the east coast and i do not recall 6e having to do with standard error</p>
<p>what does location have to do with it? arent the tests the same everywhere?</p>
<p>they should be
Except internationally when a form b test is administered</p>
<p>east coast and west coast have different tests. Okay maybe I messed up 6c as well. but 5 is still possible right? I however did manage to pull out some bull for 6e and 6c. so I should get some partial credit. secondly, i do not remember 6c so maybe i thought i was doing it right when I wasn't! lol! I failed it probably.</p>
<p>i probably misread 6e....oh well</p>
<p>you can still get a 5</p>
<p>For 5c, one of the assumptions for the test wasn't met because the successes and failures weren't over 5, right?</p>
<p>That was a 2-Sample T-Test, right?
Matched pairs would be ridiculous because we weren't testing the data in two different trials. Two different methods were being used to test the same data at the same time. Therefore, matched pairs would be illogical to use. It was definitely a t-test because the data was from a sample and the standard deviation of the population was unknown.</p>
<p>you've got it backwards</p>
<p>"Matched pairs would be ridiculous because we weren't testing the data in two different trials."</p>
<p>That's the reason why you should use matched pairs. The test gets its name from matched pairs experimental design. One example is if you take a sample of 20 people and have each of them try pepsi AND coca-cola.</p>
<p>So, was the question on the West Coast a 2-sample t-test or a matched-pair t-test? It seemed as though each subject served as its own control. That's why I picked matched-pair t-test.</p>
<p>I used matched pairs because the samples weren't independent; they tested the same sample with different methods.</p>
<p>If I was you guys I would wait a day longer to talk about it.</p>