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

## 0 comments:

Pen down your valuable important comments below