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ASSIGNMENT
DRIVE Fall 2014
PROGRAM
MBADS / MBAHCSN3 / MBAN2 / PGDBAN2 / MBAFLEX SEMESTER I
SUBJECT
CODE & NAME
MB0040
STATISTICS FOR MANAGEMENT
Note:
Answer all questions. Kindly note that answers for 10 marks questions should be
approximately of 400 words. Each question is followed by evaluation scheme.
Q1.Statistics
plays a vital role in almost every facet of human life. Describe the functions
of Statistics. Explain the applications of statistics.
(Meaning
– 2 marks, Functions – 3 marks, Applications - 5 marks)
Answer: :-
Statistics- Statistics
as a discipline is the development and application of methods to collect,
analyze and interpret data. Modern statistical methods involve the design and
analysis of experiments and surveys, the quantification of biological, social
and scientific phenomenon and the application of statistical principles to
understand more about the world around us.
Q2.
a)
Explain the approaches to define probability.
b) State the addition and multiplication rules of
probability giving an example of each case.
Answer:
a.
Approaches to define Probability
There are four approaches to define Probability.
They are as follows:
1) Classical / mathematical / priori approach
2) Statistical / relative frequency / empirical /
posteriori approach
Q3.
a)
The procedure of testing hypothesis requires a researcher to adopt several
steps. Describe in brief all such steps.
b)
Explain the components of time series.
Answer.
a.
Steps
for procedure of testing hypothesis
Five
Steps in Hypothesis Testing:
1.
Specify the Null Hypothesis
2.
Specify the Alternative Hypothesis
3.
Set the Significance Level (a)
Q4. a. What is a Chi-square test? Point out its
applications. Under what conditions is this test applicable? (Meaning of
Chi-square test, Applications, Conditions)
b)
Discuss the types of measurement scales with examples.
Answer:
a.
The Chi-square test is one of the most commonly
used non-parametric tests in statistical work. The Greek Letter c2 is used
to denote this test. c2 describe
the magnitude of discrepancy between the observed and the expected frequencies.
The value of c2
is calculated as:
Q5.Business forecasting acquires an important place
in every field of the economy. Explain the objectives and theories of Business
forecasting.
(Meaning – 2 marks, Objectives – 3 marks, Theories
– 5 marks)
Answer:
Meaning: Business
forecasting provides a guide to long-term strategic planning and helps to
inform decisions about scheduling of production, personnel and distribution.
These are common statistical tasks in business that are often done poorly and
frequently confused with planning and setting of goals. The Programme in
Business
Q6
a. What is analysis of variance? What are the assumptions of the technique?
b.
Three samples below have been obtained from normal populations with equal
variances. Test the hypothesis at 5% level that the population means are equal.
(Meaning
of Analysis of Variance, Assumptions, Formulas/Calculation/Solution to the
problem) 2, 1, 7
Answer:
Analysis
of variance (ANOVA)
It is a collection of statistical models used to
analyze the differences between group means and their associated procedures
(such as "variation" among and between groups). In ANOVA setting, the
observed variance in a particular variable is partitioned into components attri
Dear
students get fully solved SMU MBA Fall
2014 assignments
Send
your semester & Specialization name to our mail id :
“ help.mbaassignments@gmail.com ”
or
Call
us at : 08263069601
(Prefer
mailing. Call in emergency )
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