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DRIVE
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FALL
2017
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PROGRAM
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MASTER
OF BUSINESS ADMINISTRATION (MBA)
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SEMESTER
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I
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SUBJECT
CODE & NAME
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MBA103 - Statistics for Management
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CREDITS
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2,
4 CREDITS
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MARKS
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30
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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.
Assignment
Set -1
Question 1 Write Short notes on
following methods of classification in Statistical Survey
i. One Way Classification.
ii. Two Way Classification
iii. Manifold Classification.
A One Way Classification.
Two Way Classification
Manifold Classification.
Answer: a. One-way classification – Classification done according to a single
attributes or variable is known as one way classification.
Figure below depicts the number of students who has secured more
than 60% in various sub-modules of statistics. This can be classified using
one-way classification method.
Question 3 In a beauty contest, the
ranks provided by three different judges to 10 competitors are given in
following table. Find out which pair of judges are more associated in term of
same pattern for ranking
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Competitors
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A
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B
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C
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D
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E
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F
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G
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H
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I
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J
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Judge 1
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3
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4
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6
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7
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9
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8
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2
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10
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1
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5
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Judge 2
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4
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5
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6
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8
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7
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10
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1
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9
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2
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3
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Judge 3
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5
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7
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9
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8
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10
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6
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3
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4
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1
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2
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A Calculation of Rank Correlation
Interpretation
Answer: With a view to find out the Rank
Correlation between all the 3 judges we will have to find the correlation
between the following:
(i) 1st and 2nd
judge
(ii) 1st and 3rd
Judge
(iii) 2nd and 3rd
judge.
Assignment
Set -2
Question 1 Write short notes on
a. Type I and Type II error
b. Level of Significance
c. Null Hypothesis
d. Two–tailed Tests and One–tailed
Tests
e. Test Statistics
a. Type I and Type II error
b. Level of Significance
c. Null Hypothesis
d. Two–tailed Tests and One–tailed Tests
e. Test Statistics
Answer: Type I error: Rejecting a true null hypothesis. The
probability of a type I error is indicated by alpha (α).
Type II error: Not rejecting a false null hypothesis. The probability of a type
II error is indicated by beta (β).
Level of significance: The smallest probability at which the
null hypothesis would be rejected (type I error). Usually, if the significance
level
Question 2 Marks of 10 students out of
150 is given below
60, 110, 120, 135,110, 96, 145, 55, 95
& 125
What is the average marks of a class,
Calculate by direct & shortcut methods?
A Calculation by Direct method
Calculation by Short cut method
Answer: Direct
method
Question 3. Production for last 7
years of XYZ ltd is given in following table
Year 2009
2010 2011
2012 2013
2014 2015
Production(in Tons) 8 12 13 17 25
22 30
Based on above data forecast the
production for year 2016 & 2017.
A Fitting of straight line
Production for year 2016
Production for year 2017
Answer: The trend line can be fitted by using the
method of least squares for the given data.
Dear
students get fully solved assignments
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your semester & Specialization name to our mail id :
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