B.B.A. (Airlines and Airport Management) DEGREE
EXAMINATION, APRIL 2018
Second Semester
MATHEMATICS FOR MANAGEMENT
(2017 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 x 2 20)
Answer all questions.
1. Define Venn diagram.
2. What is Matrix?
3. What do you mean by compound interest?
4. What is arithmetic progression?
5. What are the functions of statistics?
6. What is histogram?
7. Define skewness.
8. What is scatter diagram?
9. Explain secular trend.
10. What are the uses of time series?
Sub. Code
24
CP-8809
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11. The product of first three terms of a G. P. is 1000. If
we add 6 to its second term and 7 to its 3rd term, the
three terms form an A.P. Find the terms of the G.P.
Or
The first term of an A. P. is 10, the last term is 50.
If the sum of all the terms is 480, find the common
difference and the number of terms.
12. What are the statistical tools used in economic
analysis?
Or
What are the advantages of diagrammatic
representation of a data?
13. Find the mean of the following data.
x 19 21 23 25 27 29 31
f 13 15 16 18 16 15 13
Or
Find Q1,Q3 ,P40 and P84 from the following data:
Marks 0-7 7-14 14-21 21-28 28-35 35-42 42-49
No. of students 3 4 7 11 2 14 9
CP-8809
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14. What are the methods to measure seasonal
variations?
Or
Discuss the methods of applying Time Series.
Part C x 10 30)
Answer all questions.
15. Find the coefficient of Correlation between the
heights of brothers and sisters from the following
data.
Heights of brothers (in cm) 65 66 67 68 69 70 71
Heights of Sisters (in cm) 67 68 66 69 72 72 69
Or
Calculate correlation and regression equations from
the following data. Find the estimate of Y when
X 13.
X 2 4 6 8 10 12 14
F 4 2 5 10 4 11 12
16. Find the equation of linear trend using least
squares method and estimate the value of 1994.
Year 1986 1987 1988 1989 1990 1991 1992
Labour Force 79 81 83 86 81 89 89
Or
If the index number of Laspeyre is 133.2 then find
the value of x from the following data:
Commodity Base year Current year price
Price Value
P 5 12 8
Q 18 10 X
R 13 20 15
17. Discuss the process of the construction of index
number.
Or
Illustrate with examples, the classification of data.
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