601. Which of the following statement is not true?
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A. SE cannot be zero

B. SE cannot be one

C. All of these

D. SE cannot be negative

603. Cluster sampling is useful when sampling units are__________?
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A. Close another

B. Mixed

C. None of these

D. Far a part
605. The time interval between two successes follows?
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A. Possion distribution

B. Gamma distribution

C. Beta distribution

D. Exponential distribution
606. Normal distribution has ___________?
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A. 1 parameter

B. 4 parameter

C. 2 parameter

D. 3 parameter

607. The range of normal distribution lies between _________?
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A. -? to +?

B. 0 to ?

C. None of these

D. -? to 0

608. The Normal Curve is asymptotic to the?
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A. X-axis

B. Along Y=X

C. None

D. Y-axis

609. A distribution is called _____ distribution if it has two modes?
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A. None of these

B. Bi-model

C. Uni-modal

D. Tri-modal

611. If X N(55,49) then ? ?
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A. 104

B. 55

C. 7

D. 49

614. Regression analysis is an_______?
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A. olute measure

B. ative measure

C. h a and b

D. e of these

615. In case of symmetrical distribution?
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A. 1=4

B. 1=2

C. Mean=Mode=Median

D. ?1=?4

617. We get ________ dividing range by numbers of class interval?
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A. Mid point

B. Number of classes

C. Class boundary

D. Class marks

623. Reason behind probability of (alpha +beta)is not equal 1?
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A. Change distribution

B. None of theseSize of beta

C. Size of n

D. Size of alpha

624. When in hypothesis testing (alpha) increases (1-beta)?
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A. Increases

B. Decrease

C. Equal

D. None of these

630. Deciles means are 1/( )?
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A. 1000

B. 100

C. 10

D. 10000

631. The dependent variable also called_________?
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A. Response

B. All of above

C. Predicted

D. Regressand

633. Which sampling procedure we prefer if population is heterogenous?
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A. Stratified sampling

B. Simple random sampling

C. Cluster sampling

D. None of these

634. Total Area under the normal curve is_______________?
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A. 0

B. None

C. Greater than 1

D. Less than 1

E. 1
635. A graph of cumulative frequency distribution is called ________________?
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A. None of above

B. Frequency Polgon

C. Ogive

D. Histrogram

638. Normal distribution is the distribution of _______________?
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A. Continuous r.v.

B. Discrete r.v.

C. Qualitative variable

D. Quantitative variable

640. If ?1 = 0 it means the distribution is _______________?
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A. Symmetrical

B. #NAME?

C. Non of these

D. #NAME?

643. Cumulative frequencies are_________________?
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A. Decreasing

B. Increasing

C. Non- increasing

D. None of these

646. ____________ use the division of a circle into different sectors?
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A. Frequency Polygon

B. Conversion Graphs

C. Sector Graph

D. Line Graph

648. Two mutually exclusive events are __________?
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A. Independent

B. Overlapped

C. None of These

D. Dependent
649. Response variable is a_________?
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A. Fixed

B. Whole

C. None of above

D. Random variable
650. Normal distribution has ____shaped?
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A. u-shaped

B. T-shaped

C. Normal shaped

D. Bell shaped