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Question-1
Correlation deals with the ________ of relation ship.
(A)
Degree
(B)
type
(C)
nature
(D)
none of these
Question-2
If correlation between x and y is negative, the algebraic sign of reggression coefficients would be ____________
(A)
Negative
(B)
Positive
(C)
positive or negative
(D)
indeterminate
Question-3
Co-efficient of correlation ___________
(A)
Negative
(B)
positive
(C)
Positive or Negative
(D)
indeterminate
Question-4
________ explains the change in one variable leading to the corresponding change in another variable
(A)
Central tendencies
(B)
dispersion
(C)
correlation
(D)
price index
Question-5
When the two variables change in the same proportion it is ________ correlation
(A)
Partial
(B)
simple
(C)
multiple
(D)
perfect
Question-6
1-
6∑ D
2
is the formula for computing _____________
n(n
2
-1)
(A)
Mean deviation
(B)
Karl-persons coefficient of correlation
(C)
rank correlation
(D)
linear regression
Question-7
Non-linear correlation is otherwise known as _________ correlation
(A)
Zero-order
(B)
curvilinear
(C)
positive correlation
(D)
none of these
Question-8
__________ measures the degree of relationship between two variables in quantitative terms
(A)
Correlation co-efficient
(B)
partial correlation co-efficient
(C)
multiple correlation co-efficient
(D)
none of these
Question-9
The co-efficient of correlation will have positive sign when :
(A)
X is increasing Y is decreasing
(B)
X and Y decreasing
(C)
X and Y increasing
(D)
no change in X or Y
Question-10
If correlation between x and y is positive,. the algebraic sign of regression coefficients would be ___________
(A)
Negative
(B)
positive
(C)
positive or negative
(D)
indeterminate
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Meaning, Scope and Importance of Statistics
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Organisation of Data
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Definitions, Nature and Scope of Economics
Types of Economics
Introduction to Statistics
Definition of Economics
Basic Problems of an Economy
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