Applied Statistics Question Paper
Applied Statistics
Course:Bachelor Of Environmental Studies
Institution: Kenyatta University question papers
Exam Year:2009
KENYATTA UNIVERSITY
UNIVERSITY EXAMINATIONS 2009/2010
FIRST SEMESTER EXAMINATION FOR THE DEGREE OF BACHELOR OF
ENVIRONMENTAL STUDIES AND COMMUNITY DEVELOPMENT
ECD 301: APPLIED STATISTICS
DATE: TUESDAY, 22ND DECEMBER 2009
TIME: 2.00 P.M. - 4.00 P.M.
INSTRUCTIONS: Answer question ONE and any other TWO questions.
1.
Define the term “statistics”. To whom and in what way is statistics useful in
practice as far as environmental management is concerned.
(30 marks)
2.
Discuss various phases of statistics in environmental discourse.
(20 marks)
3.
Using specific examples, compare and contrast various levels of measurements
used in data collection, summary
and
analysis.
(20
marks)
4.
(a)
What
is
correlation?
(5
marks)
(b)
Using illustrations, discuss various patterns of correlation.
(15 marks)
5.
An experiment into correlation between the two variables X and Y produced the
following
data:
X 13.0 16.0 19.0 22.0 25.0 28.0
Y
36.5 37.8 40.2 39.3 41.7 43.0
(a)
Calculate Spearman’s Coefficient of rank correlation between X and Y.
(15 marks)
(b)
Interpret
the
result
in
(a)
above.
(5
marks)
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