The authority of PACS is known as
A. President
B. Secretary
C. General body
D. Executive body
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The extension system used to provide precise and reliable scientific information in simple language about a simple practice is called
A. Leaflet
B. Newspaper
C. Literature
D. Circular letter
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If N = 500, (B) = 300, (B) shall be
A. 800
B. 1000
C. 200
D. None of these
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The χ 2 -test is defined as
A. χ 2 = E ( O − E )
B. χ 2 = E ( C 0 − E )
C. χ 2 = E ( O + E )
D. χ 2 = E ( C 0 − E ) 2
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In chronological classification data are classified on the basis of
A. Attributes
B. Time
C. Locations
D. None of these
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Which measure is least affected by extreme values?
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Integrated Rural Development Programme was launched in
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There are 3 breeds of cow. Each breed has 4 cows. A student uses randomised block design. Number of blocks in it will be
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Comparison of several independent samples is tested by
A. F-test
B. Friedmann test
C. Wilcoxon Signed - rank test
D. Kruskal - Wallis H test
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Which of the following states has no Panchayati Raj?
A. Rajasthan
B. Meghalaya
C. Bihar
D. Odisha
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y2 is equal to
A. β2 - 3
B. β1 + 3
C. β2 + 3
D. β - 3
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Binomial expansion method is applicable when
A. The X variable advances by unequal intervals
B. X variable advances by equal intervals and value of X for which Y is to be interpolated is one of the class limits of X series
C. The value of X for which Y is to be interpolated is one of the class-limits of X series
D. None of the above
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To induce emotional participation of the local community and to create a conductive psychological climate for adoption of a new practice, the method of extension generally applied is
A. Competition
B. Exhibitions
C. Fair
D. Field trails
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Bulletins, leaflets, circular letters, posters, fairs, exhibitions, radio and television are the media of
A. Public communication
B. Official communication
C. Group communication
D. Mass communication
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The R rank correlation was suggested by
A. James Bernoulli
B. C. Spearman
C. Pearson
D. Laplace and Gauss
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Scope of Sociology is studied by
A. Education
B. Trade
C. Community
D. Individual
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Which of the following is the first step in developing of programme?
A. Selection of site
B. Collection of information
C. Both A and B
D. Find felt need of people
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If each observation of a set is multiplied by 10, then the mean of new set of observation
A. Remains the same
B. Is ten times of original mean
C. Is one-tenth of original mean
D. Is increased by 10
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Albert Mayer of USA started a project in September, 1948 known as
A. Gurgaon experiment
B. Marthandam project
C. Etawah pilot project
D. None of these
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The second moment about mean is
A. N ∑ ( X + x ) 3
B. N ∑ ( X − x ) 2
C. X ∑ ( X + x ) 2
D. X ∑ ( X − x ) 3
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