Consider the following statements.Assertion (A): A reasonably large sized sample drawn randomly from a given population contains almost all the characteristics of the population.Reason (R): As per the sampling theory, the assertion is based only on the 'Law of Inertia of Large Numbers'.
A. Assertion (A) is correct and Reason (R) as per the sampling theory is also fully correct
B. Assertion (A) is correct but the Reason (R) as per the sampling theory is not fully correct
C. Both Assertion (A) and Reason (R) are incorrect
D. Assertion (A) is incorrect but the Reason (R) is sufficient as per the sampling theory
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Which of the following requirements for a dissertation may depend on your institution?
A. Whether an abstract should be included
B. The format for referencing
C. The size of the study
D. All of the above
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If the coefficient of determination is 0.81, the correlation coefficient:
A. 0.6561
B. could be either +0.9 or -0.9
C. must be positive
D. must be negative
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Non-parametric test is valid when sample size is:
A. Large
B. Small
C. Large and small
D. None of these
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Find out the value of the median from the following frequency
Size of Items 8
10
12
14
16
18
20
Frequency 3
7
12
28
10
9
6
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Variance of binomial distribution is equal to
A. n.p
B. p.q
C. n.p.q
D. None of these
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Which of the following distribution tends to standard normal distribution as the degree of freedom increases?
A. Binomial distribution
B. Poisson distribution
C. Normal distribution
D. T-statistics
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A measure of central tendency is:
A. Mode
B. Measurement of dispersion
C. Skewness
D. Mean deviation
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Which of the following is not a method of collecting primary data?
A. Direct interview
B. Indirect interview
C. National publications
D. Questionnaire method
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Which of the following sampling methods is a probability sample?
A. Judgment sample
B. Simple random sample
C. Quota sample
D. Chunk sample
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Consider the following tests.
A. Both 1 and 2
B. Both 2 and 3
C. Both 3 and 4
D. 2, 3 and 4
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Which of the following statement is/are correct?
A. Only 1
B. Only 2
C. Both 1 and 2
D. Neither 1 nor 2
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What practical steps can you take before you actually start your research?
A. Find out exactly what your institution's requirements are for a dissertation
B. Make sure you are familiar with the hardware and software you plan to use
C. Apply for clearance of your project through an ethics committee
D. All of the above
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The standard error is a statistical measure of:
A. the normal distribution of scores around the sample mean
B. the extent to which a sample mean is likely to differ from the population mean
C. the clustering of scores at each end of a survey scale
D. the degree to which a sample has been accurately stratified
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The classification of students of a college into two categorise 'rural' and 'urban' is
A. Qualitative
B. Quantitative
C. Geographical
D. None of these
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If there is a very strong correlation between two variables then the correlation coefficient must be:
A. any value larger than 1
B. much smaller than 0, if the correlation is negative
C. much larger than 0, regardless of whether the correlation is negative or positive
D. none of these alternatives is correct
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In simple regression equation, the numbers of variables involved are:
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Match the following.
List-I List-II
a. Range
1. Not based on all observation in data
b. Mode
2. Middle value of a series arranged in any order of magnitude
c. Mean
3. It can be used even when classes are open-ended
d. Median
4. Is the most simple and frequently used average
A. a-1, b-3, c-4, d-2
B. a-1, b-2, c-3, d-4
C. a-2, b-1, c-4, d-3
D. a-3, b-2, c-1, d-4
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Accepting the null hypothesis, when it is incorrect. This is known as
A. error of data
B. error of statistics
C. error of tools
D. None of these
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Originally compiled data for a research is called
A. Primary data
B. Secondary data
C. Original data
D. None of these
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