M.COM. (Semester IV) (CBCS) Examination Oct/Nov-2017
ADVANCED STATISTICS
(Research Methodology)
Day Date: Monday, 20-11-2017 Max. Marks: 70
Time: 02.30 PM to 05.00 PM
Instructions: All questions are compulsory.
Figures to the right indicate full marks.
Each question carries equal marks.
Use of calculators is allowed.
Q.1 Choose the alternatives given below. 14
A set of all possible individuals under the statistical study is called as
Sample Population
Census method None of these
Statistical constants derived from the sample values drawn from the given
population is called as
Statistics Parameter
Estimator None of these
A definite statement made about the population parameter and whose shows
generally no differences is called as
Test statistics Null hypothesis
Alternative hypothesis None of these
Rejecting Ho when it is true is called as
Correct decision Type II error
Type I error None of these
Probability of type I error is called as
Power of test Test statistics
Level of significance None of these
Accepting Ho, when it is true is a
Correct decision Type II error
Type I error None of these
Arrangement of data into different classes according to their similarities is called as
Classification Tabulation
Frequency distribution None of these
Sampling errors arise due to
Faulty selection of the sample
Faulty demarcation of sampling units
Constant error due to improper choice of the statistics for estimating the
population parameters.
All of these
Publications errors are
Sampling error Non sampling errors
Both a b None of these
10) Which of the following measure of central tendency, depends upon all the
observation?
Arithmetic mean Median
Mode None of these
11) Which of the following measure of dispersion is not affected by the extreme
values?
Range Q. D.
S. D. None of these
12) Value of an item with maximum frequency is called as
A. M. Median
Mode None of these
13) Half of the range of middle 50% observation, when data are arranged in
ascending or descending order is called as
Range Q. D.
S. D. None of these
14) Skewness of a symmetric distribution is
Zero Positive
Negative None of these
Q.2 What are advantages of sampling over the census method? Explain SRS. 07
Define mode. For the following data, compute mode. 07
Classes 0-100 100-200 200-300 300-400 400-500 500-600 600-700
Frequency 15 25 38 40 33 16 8
Q.3 With a proper diagram state various parts of a Statistical Table. State various rules
of tabulation.
07
Explain various types of error in testing a hypothesis. 07
Q.4 Answer any one of the following. 14
State and explain various principle steps in a sample survey.
Explain the role and application of computer in Research.
Q.5 Attempt any one of the following. 14
State various measures of dispersion. For the following data compute A.M., S.D.
and C. V.
Classes 0-10 10-20 20-30 30-40 40-50 50-60 60-70
Frequency 12 26 38 40 31 15 8
Explain the method of data processing by checking, editing, coding and de
coding.