Which of the following statements is not correct?
A. Some data sets do not have means
B. Calculation of mean is affected by extreme data value
C. A weighted mean should be used when it is necessary to take the importance of each value into account
D. All the above are correct
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Which is not the weapon in the armoury of an argumentative editorial writer?
A. Blowing one's trumpt
B. Refuting the opponent's view
C. Not playing on the emotions of the people
D. Only A and B
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What is meant by the word 'stringer'?
A. A freelance journalist who is not paid a fixed amount
B. A person who resides in a far off place and is attached to newspaper & is paid a fixed amount
C. A full-time journalist
D. None of the above
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In a normal distribution
A. Mean > Median > Mode
B. Mean = Median = Mode
C. Mean < Median < Mode
D. none of these
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In which of the following cases, would mode be the most useful indicator of central tendency?
A. Every value in a data set occurs only once
B. All but three values in a data set occur once, three values occur 100 times each
C. Every observation in a data set has the same value
D. All values in a data set can occur 100 times each
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What is the importance of interview?
A. It helps the expert to know who is efficient
B. One get to know the traits of the applicants
C. Helps in judging better
D. All of the above
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In medical research, sampling is used to gather information for the . . . . . . . .
A. doctors
B. medical associations
C. patients
D. population
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In media research, conclusions from induction are . . . . . . . .
A. illogical
B. tentative
C. eternal
D. non-operative
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The final result of a study will be more accurate if the sample drawn is
A. taken randomly
B. fixed by quota
C. representative to the population
D. purposive
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Which group is characterized a less close relationship between members?
A. Primary group
B. Peer group
C. Reference group
D. All of the above
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Which among the following is/are the methods and tools of data collection?
A. Survey
B. Case-stud
C. Interview
D. All of the
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Why has competitive analysis become an essential activity in marketing research now-a-days?
A. It helps the firm analyse the prices of competitions and eventually, it gives a competitive price tag to its own product
B. It helps the firm find out what are ad spend patterns of competitors
C. It helps the firm position its advertising message vis-a-vis those of its competitors so that it could get the maximum mileage from its own ad campaigns
D. It helps the firm learn about new products and services that the competitors plan to launch in the future
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While performing a two-tailed test for the difference between means, with a null hypothesis of μ1 = μ2 the hypothesised differences between the two population means would be
A. negative
B. zero
C. positive
D. infinity
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If a researches wants to conduct a statistical test upon the significant difference between the IQ levels of two college Students then the researches can perform the . . . . . . . .
A. t-test
B. z-test
C. f-test
D. Chi-test
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Which of the following examples amply demonstrates the efficiency of the limited effects model (under the gamut of media effects studies)?
A. I would not buy Surf Excel if a salesman offers it to me at my home. However, I would buy it if ads appear on TV to promote it
B. I would not buy Surf Excel if it is advertised on TV, but might buy it when the sales girl at the counter of her shop offers it to me
C. I would buy Surf Excel if it is offered to me through a sheme of freebies at my residence
D. None of these
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If an experimental variable is such that exposure to it can be determined in an objective manner or an ex post facto basis, the ex post facto design becomes a/an
A. continuous diary panel design
B. Latin square design
C. four-group six-study design
D. after only with control group design
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What is the key defining characteristic of experimental research?
A. Extraneous variables are never present
B. A positive correlation usually exists
C. A negative correlation usually exists
D. Manipulation of the independent variable
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Testing at the begninning of the creative process mostly includes
A. quatitative reserch
B. qualitative research
C. statistiscal methods and formulae
D. none of these
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Who is the author of "the play theory of Mass Communication"?
A. W.L. Rivers
B. George Gerbner
C. Horace Newcomb
D. William Stephenson
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Aresearch hypothesis can take either
A. declarative form
B. null form
C. question form
D. all of these
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