<p>If parts a, b and c were scored as essentially correct, you would probably get a 3 for this question.</p>
<p>lol looking at the chart woulda helped :-P</p>
<p>stupid test anxiety damn it! : (
After doing so well in class, it is pretty disheartening to see that i made so many mistakes :(</p>
<p>Anyways, for 5c, did you say a tye II error could have been made and that people would die uneccesarily because of the error?</p>
<p>lol, i know briguy : /.
I was fatigued after having taken the CompSci exam in the morning. STUPID school wouldn’t even let me eat lunch : (</p>
<p>I said Type II error and yeah, they would die to believing faulty techniques would work.</p>
<p>I think I said something along the lines of that, about how they would miss out on the opportunity to save a higher proportion of heart attack patients.</p>
<p>Alrighty : )!!!
Did any of you guys have a double bar chart for number 1a?</p>
<p>gotcha esplin ;-)</p>
<p>damnit i put type 1 error…is this subjective? haha</p>
<p>what did people get for the frq question for the confidence intervals??? i got like -2.33, .33… i dunno something like that</p>
<p>Yeah, I used a double bar chart for the first part of #1. How did you guys interpret the p-value for question 5? I think I said it was the probability of observing a difference in proportions of survival rates for the two treatments, and that at a=.05 we would accept the null but at a=.1 we would reject it.</p>
<p>For the confidence interval I got (-2.373, .373)</p>
<p>yeah, or it could be (-.33,2.33)
same thing</p>
<p>The way to interpert the p-value in part 5 was to say that if you had 1000 samples, you would get the same statistics (or higher) in about 76 of the samples</p>
<p>To how many decimal places are our answers suppose to be?
I wrote all my answer to 3 decimal places since Calc wants it to 3.</p>
<p>We can just say our probability to see that sample statistic or one that’s higher was .076 rite?</p>
<p>Lol I’m feeling worse about how I did after re-reading each question.
There goes that small chance of a 5 I was hoping for…
Guaranteed 4 for sure though.</p>
<p>lol, axeback me too!!!..now that i look back…i see all the stupid mistakes i made…i said the wrong test for one…and got the stupid binomcdf thing wrong…blehh…and im pretty sure others too…
ill be happy with like a 3…:(</p>
<p>i thought interpreting the p value was the probability of getting a result as large or larger than the one observed, assuming the null is true :|</p>
<p>wow I am so lost…
I don’t remember any of the questions you guys are discussing right now…
Did you have form B? because if you all don’t, then that explains it haha</p>
<p>what did you all get for form B’s #6?
I thought it was easy during the exam, but when I looked at the question again, I think I got it wrong…</p>
<p>well for number 2 c) they ask for the probability of the sample of 5 that will have the mean greater than 130
so you guys have to come up with a new mean and a new std deviation for that…and then find the z score and find the probability</p>