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| Author: | Message |
| chitchat Total Posts: 43 | Posted: Sat Oct 11, 2008 04:50 pm in a 3 X 4 contingency table, the no of degrees of freedom is 1, 4, 6, 12...how to get the answer??i calculated it to be 36!!!!!! |
| superbdoc Total Posts: 273 | Posted: Sat Oct 11, 2008 07:01 pm Degrees of freedom = df = (r - 1)X(c - 1) where r = number of rows and c = number of columns in the contingency table. So here it is (3-1)X (4-1)= 2X3 = 6 Hope its clear now..  |
| chitchat Total Posts: 43 | Posted: Sun Oct 12, 2008 12:41 am thanks a lot...i took a wrong formula...i had squared the answer...thanks once again..  |
| superbdoc Total Posts: 273 | Posted: Fri Oct 17, 2008 06:03 pm Which of the following statements is true about the epidemiological determinants of measles ? A) Measles virus survives outside the human body for 5 days B) Carriers are important sources of infection C) Secondary attack rate is less than that of rubella D) Incidence of measles is more in males than females Ans given is C..comments.. 
Can some1 provide quick guide on diff bw measles and rubella and chicken pox...just share entrance points... I also will on covering Park.. |
| superbdoc Total Posts: 273 | Posted: Mon Oct 20, 2008 12:30 am A series of speeches on a specific topic is called a ? A) Conference B) Panel discussion C) Symposium D) Workshop Ans is Symposium.. hope to get details from here.. |
| juhidr Total Posts: 149 | Posted: Tue Oct 21, 2008 06:39 am Conference: - A conference is a meeting of people that "confer" about a topic. - Academic conference, in science and academia, a formal event where researchers present results, workshops, and other activities. Panel Discussion: - Instructional Technique using a group of people chosen to discuss a topic in the presence of an audience. - A discussion of a subject of public interest by a group of persons forming a panel. Symposium: - originally referred to a drinking party (the Greek verb sympotein means "to drink together") but has since come to refer to any academic conference, or a style of university class characterized by an openly discursive rather than lecture and question–answer format Workshop: - brief intensive educational program. |