EXST7005 Fall2010 01b Daily Quizzes

EXST7005 Fall2010 01b Daily Quizzes - EXST 7005 First day...

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EXST 7005 First day handout Page 5 Daily quizzes!!! First, is there really going to be a daily quiz every day? No, probably not. On the day before each class I will post the description of an experiment or research question. These will be available on the Internet. You will examine the questions and determine the answer. I do not mind if you discuss these questions with your friends under two conditions. One, discussion stops when you get to the classroom, and two, the discussion consists of more than just "What is the answer to today's quiz." Talk it over and try to understand the questions, because similar questions will be on the exams. Once in the classroom, at the beginning of class I will roll a dice. If it comes up a 6, there will be a quiz. You will have 5 minutes to write your name on a slip of paper and pass it to the front of the room. As soon as I have everyone's answers I will discuss the analysis. ( If you have an excused absence, confirmed by your major professor, you may email me your answer. ) Once a number has been rolled on a die, that number will not be counted again until after a 6 occurs. For example, if I roll a 3 on the first day; no quiz. If I roll a 3 on the second day it will not count; I will roll again. If it then comes up a 5; no quiz. On the third day 3's and 5's will be skipped, etc. Once a 6 is rolled, all numbers are back in contention. If things go as planned we will have 5 or 6 quizzes during the semester. I will drop your lowest quiz and grade on the basis of the remaining quizzes. Instructions: Examine each of the design descriptions below prior to coming to class and determine the answers to the questions. On randomly selected dates a quiz will be given over these designs. Z test (one-sample) – tests a mean against an hypothesized value (variance known) Z test (two-sample) – tests two means for equality (variance known) t test (one-sample) – tests a mean against an hypothesized value (variance unknown) t test (two-sample) – tests two means for equality (variance unknown) Chi square test of independence Chi square test of goodness of fit F test (one-sample) – tests a variance against an hypothesized value F test (two-sample) – tests two variances against each other Analysis of Variance – tests two or more means for equality

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EXST7005 Fall2010 01b Daily Quizzes - EXST 7005 First day...

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