M.COM. (Semester IV) Examination Oct/Nov-2017
ADVANCED STATISTICS
(Research Methodology)
Day Date: Monday, 20-11-2017 Max. Marks: 50
Time: 02.30 PM to 04.30 PM
Instructions: All questions are compulsory.
Figures to the right indicate full marks.
Each question carries equal marks.
Use of soundless calculators is allowed.
Q.1 Choose the alternatives given below. 10
A Statistical constant derived from the values of population is called as
Parameter Statistic
Estimate None of these
A finite subset of a population under consideration is called as
Group Class
Sample None of these
For sampling method time required as compared to census method is
Less More
Same None of these
Probability of rejecting a null hypothesis when it is correct is called as
Power of test Level of significance
Error of first kind None of these
Classification of data according to time sequence is called
Qualitative classification Quantitative classification
Geographical classification Chronological classification
Coding of DATA IS DONE
Only after collection of data Only before collection of data
Before or after collection of data During collection of data
Interpretation of data should be made on due consideration of
Empirical evidence Hypothesis
Theoretical frame work All the above three
A measure of central tendency which is based upon all the values of data is
Arithmetic mean Median
Mode None of these
Which of the following measure of dispersion is based upon only the
smallest and the largest values of given data?
Q. D. S. D.
Range None of these
10) Coefficient of variation (C.V.) is defined as
S. D. x A.m. x 100

.
x 100



x 100 None of these
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Q.2 Explain sampling method. Give its various advantages over the census
method.
05
Give various applications of computers in Research. 05
Q.3 For the following data, compute median and mode. 05
Classes 0-10 10-20 20-30 30-40 40-50 50-60 60-70
Frequencies 5 13 21 26 18 11 6
Explain the procedure of coding and decoding. 05
Q.4 Attempt any one of the following. 10
Explain the terms sampling and non sampling errors. Discuss
different types of sampling methods.
For the following data compute C.V.
Classes 0-100 100-200 200-300 300-400 400-500 500-600
Frequency 25 38 45 50 32 16
Q.5 Attempt any one of the following. 10
What do you mean by Dispersion? Define its various absolute and
relative measures of dispersion.
What is tabulation? With a proper diagram state the various parts of
table. State different rules of tabulation.