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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:
- Specify the Null Hypothesis
- Specify the Alternative Hypothesis
- 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?
- 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 )