The formula for calculating Harmonic Mean (HM) is
A. H = X N
B. H = ∑ ( x 1 ) N
C. H = 2 ∑ ( x ) ( N )
D. none of these
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Ifsome persons are shown TV advertisements in the office of an advertising agency and told to give comments on the products featured in those advertisements, what type of research is this?
A. Field experiment
B. Laboratory experiment
C. After only design
D. None of these
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Which of the following is/are a type of measurement of research?
A. Survey research
B. Scaling
C. Qualitative research
D. All of the above
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The formula for calculating the standard deviation of the distribution of sample means given by
A. σ x 1 − x 2 = x 1 σ 1 2 + x 2 σ 2 2 B. σ x 1 − x 2 = ( σ 1 2 + σ 2 2 ) 2
C. σ x 1 − x 2 = σ 1 + σ 2 ( x 1 ) 2 + ( x 2 ) 2
D. σ x 1 − x 2 = ( σ 1 + σ 2 ) 2
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In SPSS, where will we find an alternative to the independent sample 't'-test?
A. Non-parametric test-legacy dialogs-'U' test
B. Compare means -'U' test
C. Non-parametric tests-legacy dialogs - independent samples
D. Compare means - independent samples
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Who said, "Newspaper should be both a daily teacher and a daily tribune"?
A. Lester Market
B. Joseph Pulitzer
C. Jawahar Lal Nehru
D. Edwin Emery
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Quota sampling is a type of
A. startified sampling
B. judgement sampling
C. random sampling
D. none of these
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Which of the following is not true about geometric mean?
A. It is unrealistic and complex
B. It is least affected by extreme items
C. It is not the best measure of ratios of change
D. It can not be calculated unless the values of all the items are known
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All of the following are common characteristics of experimental research except
A. it relies primarily on the collection of numerical data
B. it can produce important knowledge about cause and effect
C. it uses the deductive scientific method
D. it rarely is conducted in a controlled setting or environment
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When the average value of a number of years is taken as a trend to plot a trend line it is called
A. average method
B. moving average method
C. Both A and B
D. None of these
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The earliest development of a non-parametric test is attributed to . . . . . . . .
A. Arbuthnot
B. Frank Wilcoxon
C. Wolfowitz
D. All of these
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Type II error in a statistical test is usually committed when a . . . . . . . .
A. correct sample is rejected
B. false sample is rejected
C. false sample is accepted
D. None of the above
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Which of the following is not a measure of central tendency?
A. Geometric Mean
B. Mode
C. Medium
D. All the above are the measures of central tendency
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In the Galvanic Skin Response test
A. longer the quantity of current, more the intensity of reaction of the respondent
B. longer the quantify of current, less is the intensity of reaction of the respondent
C. the reaction of the respondent is not at all related to current flow
D. young children all swayed by romantic movies
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Thet-test is considered to be very useful because
A. it can be used when the groups are of unequal size
B. it ensures correct rejection of hypothesis
C. it can be applied even when the sample are not large
D. it can be applied even when the samples are not drawn randomly
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In which types of sampling all the individuals are not given an equal opportunity of becoming a part of the sample?
A. Probability sampling
B. Random sampling
C. Cluster sampling
D. Non-probability sampling
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Which of the following is not a technique of personal interview?
A. Mall intercepts
B. Conference interviews
C. Structured disguised questions by mail
D. All of these are techniques of personal interview
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Impact, Timeliness, Conflict & Prominence are
A. qualities to be adopted by a writer
B. criteria on which the editors insist upon
C. basis of good news story
D. none of these
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We can calculate the mean of any data set, if we have its frequency distribution. This statement is
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In the census method of data collection, we collect data from
A. every unit of the population
B. a sample of the population
C. some people at random and then, form all the people by using a non random sampling method
D. none of these
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