University Of Pune Question Paper
P. G. D. E. M. (Semester - I) Examination - 2010
ENVIRONMENTAL MANAGEMENT TECHNIQUES - I
(Old 2005 Pattern)
Time : 3 Hours] [Max. Marks : 60
Instructions :
(1) Attempt any four questions.
(2) All questions carry equal marks.
(3) Use of calculator and statistical tables is allowed.
Q.1) Explain the terms Class-boundaries, Class-width, Upper and Lower Limits.
Illustrate with examples classification of numeric values in both the series.
Q.2) Compute Parameters of Dispersion for the following values regarding tree
density in number of trees per 100 sq.m. for 10 sample observations.
Tree Density : 18, 20, 3, 15, 30, 8, 9, 21, 6, 12
Q.3) Differentiate between Pearson’s and Spearman’s Method of computing
Correlation Coefficient. Obtain value of ‘r’ for the given data using any
one method :
X 3 5 6.8 7.9 12 18 21.3 14 16 12
Y 10 9 8.2 6.5 5.2 2.5 1.2 3.2 4.2 5
Q.4) Illustrate procedure to obtain 10% sample villages from a set of 156 villages
from Junnar Tehsil. Explain how the Principle of Forced Dispersion can
be adopted ?
Q.5) Prepare a Scattergram and insert a Regression Line for the following data :
X 10 15 16 18 20 23 25 28 30 32
Y 5 9 18 26 25 28 12 30 35 40
Q.6) Write notes : (Any Two)
(a) Chi-square Test
(b) Normal Distribution
(c) Central Tendency
P. G. D. E. M. (Semester - I) Examination - 2010
ENVIRONMENTAL MANAGEMENT TECHNIQUES - I
(Old 2005 Pattern)
Time : 3 Hours] [Max. Marks : 60
Instructions :
(1) Attempt any four questions.
(2) All questions carry equal marks.
(3) Use of calculator and statistical tables is allowed.
Q.1) Explain the terms Class-boundaries, Class-width, Upper and Lower Limits.
Illustrate with examples classification of numeric values in both the series.
Q.2) Compute Parameters of Dispersion for the following values regarding tree
density in number of trees per 100 sq.m. for 10 sample observations.
Tree Density : 18, 20, 3, 15, 30, 8, 9, 21, 6, 12
Q.3) Differentiate between Pearson’s and Spearman’s Method of computing
Correlation Coefficient. Obtain value of ‘r’ for the given data using any
one method :
X 3 5 6.8 7.9 12 18 21.3 14 16 12
Y 10 9 8.2 6.5 5.2 2.5 1.2 3.2 4.2 5
Q.4) Illustrate procedure to obtain 10% sample villages from a set of 156 villages
from Junnar Tehsil. Explain how the Principle of Forced Dispersion can
be adopted ?
Q.5) Prepare a Scattergram and insert a Regression Line for the following data :
X 10 15 16 18 20 23 25 28 30 32
Y 5 9 18 26 25 28 12 30 35 40
Q.6) Write notes : (Any Two)
(a) Chi-square Test
(b) Normal Distribution
(c) Central Tendency
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