Core Course—BIOSTATISTICS APRIL 2012

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E 3179                                     (Pages 3)                                  Reg. No . ………..

Name…………….……..

B.Sc. DEGREE (C.B.C.S.S.) EXAMINATION, APRIL 2012
Second Semester Core Course—BIOSTATISTICS
[For B.Sc. Botany and Biotechnology (Double Main)]
Time : Three Hours                                                                  Maximum Weight : 25
Part A Answer all questions.
Weight 1 each for a bunch of 4 questions.

1 Which of the following is primary data ?
(a) Published data ..(b) Personal interview
(c) Private publication. (d) Journals and newspapers.
2 Mode is:
(a) Middle most value. (b) Most frequent value.
(c) Least frequent value. (d) None of these.
3 If the coefficient of correlation is zero the slope of a linear regression line will be:
(a) Positive. (b) Negative.
(c) Positive or negative. (d) None of these.
4 The point of intersection of the less than and the more than ‘ogive’ corresponds to;
(a) The mean. (b) The geometric mean. (c) The median. (d) None of the above. 

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