Roll No. ......................
Total No. of Questions : 13]                                                   [Total No. of Pages : 03

                                  Paper ID [B0204]
                                  (Please fill this Paper ID in OMR Sheet)

                    MBA/PGDBM (104) (S05) (Old) (Sem. - 1st )
                       QUANTITATIVE TECHNIQUES


Time : 03 Hours                                                              Maximum Marks : 75
Instruction to Candidates:
      1)    Section - A is Compulsory.
      2)    Attempt any Nine questions from Section - B.


                                             Section - A
                                                                                       (15 × 2 = 30)
Q1)
      a)    Equivalent sets.
      b)    Linear and Quadratic equations.
      c)    Arithmetical Progression and Geometric Progression.
      d)    Matrix Inverse.
      e)    Mean deviation.
      f)    Harmonic mean and Geometric mean.
      g)    Partial and multiple correlation.
      h)    Mathematical Induction.
      i)    Secular trend Vs periodic movement of time series.
      j)    Conditional probability.
      k)    Null and alternative hypotheses.
      l)    Poisson distribution.
      m) Principles of Mathematical Induction.
      n)    Kurtosis Vs Skewness.
      o)    t - test.

D-19                                                                                            P.T.O.
Section - B
                                                                       (9 × 5 =45)
Q2) How ‘Statistics’ helps in making business decisions. Discuss.


Q3) For what values of m the equation
    (m+1) x2 + 2 (m+3) x + (m+8) = 0 has equal roots.

Q4) State and prove Binomial Theorem for positive integral index.

Q5) A series comprises two numbers. Its Mean is 25 and G.M. is 20. Find out the
    value of two numbers.

Q6) You are given that the total frequency is 900 and the median 100.48. From the
    following frequency distribution, find the class frequencies that are missing.
         Intelligence          No. of          Intelligence       No. of
         Quotient              Students        Quotient           Students
         55-64                     2           105-114            ?
         65-74                    19           115-124            92
         75- 84                   78           125-134            14
         85- 94                   ?            135-144            4
         95-104                 301

Q7) What do you understand by ‘Dispersion’? In what way measures of
    variation supplement measures of central tendency? Discuss.

Q8) Ten students obtained the following marks in Statistics (X) and Accountancy
    (Y). Find the rank correlation coefficient.
         Student: A B C D E F G H I                               J
         X :        92 89 86 87 83 71 77 63 53 50
         Y :        86 83 77 91 68 52 85 82 57 57

Q9) Explain the term regression? What are the properties of regression coefficients.
    Also differentiate between correlation and regression.




D-19                                     2
Q10)The following figures relate to the prices and quantities of certain commodities.
    Construct Fisher’s Ideal Index of Price.
                                     1993                          1994
         Commodities          Price       Quantity         Price      Quantity
                                 P0           q0             P1           q1
               A                 16           40            30          40
               B                 20           60            25          50
               C                 8            120           15          120
               D                 4            100           5           100
               E                 12           50            10          60

Q11)Define Binomial distribution. Explain its chief Characteristics and uses.

Q12)A group consists of 100 men and 80 women, 40 among men and 50 among
    women are graduates. If one person is selected at random from the group.
    Find the probability the person is either a woman a graduate.

Q13)In a sample of 600 students of a certain college, 400 are found to use dot
    pens. In another college from a sample of 900 students, 450 were found to
    use dot pens. Test whether the two colleges are significantly different with
    respect to the habit of using dot pens.



                                      zzzz




D-19                                     3

B0204

  • 1.
    Roll No. ...................... TotalNo. of Questions : 13] [Total No. of Pages : 03 Paper ID [B0204] (Please fill this Paper ID in OMR Sheet) MBA/PGDBM (104) (S05) (Old) (Sem. - 1st ) QUANTITATIVE TECHNIQUES Time : 03 Hours Maximum Marks : 75 Instruction to Candidates: 1) Section - A is Compulsory. 2) Attempt any Nine questions from Section - B. Section - A (15 × 2 = 30) Q1) a) Equivalent sets. b) Linear and Quadratic equations. c) Arithmetical Progression and Geometric Progression. d) Matrix Inverse. e) Mean deviation. f) Harmonic mean and Geometric mean. g) Partial and multiple correlation. h) Mathematical Induction. i) Secular trend Vs periodic movement of time series. j) Conditional probability. k) Null and alternative hypotheses. l) Poisson distribution. m) Principles of Mathematical Induction. n) Kurtosis Vs Skewness. o) t - test. D-19 P.T.O.
  • 2.
    Section - B (9 × 5 =45) Q2) How ‘Statistics’ helps in making business decisions. Discuss. Q3) For what values of m the equation (m+1) x2 + 2 (m+3) x + (m+8) = 0 has equal roots. Q4) State and prove Binomial Theorem for positive integral index. Q5) A series comprises two numbers. Its Mean is 25 and G.M. is 20. Find out the value of two numbers. Q6) You are given that the total frequency is 900 and the median 100.48. From the following frequency distribution, find the class frequencies that are missing. Intelligence No. of Intelligence No. of Quotient Students Quotient Students 55-64 2 105-114 ? 65-74 19 115-124 92 75- 84 78 125-134 14 85- 94 ? 135-144 4 95-104 301 Q7) What do you understand by ‘Dispersion’? In what way measures of variation supplement measures of central tendency? Discuss. Q8) Ten students obtained the following marks in Statistics (X) and Accountancy (Y). Find the rank correlation coefficient. Student: A B C D E F G H I J X : 92 89 86 87 83 71 77 63 53 50 Y : 86 83 77 91 68 52 85 82 57 57 Q9) Explain the term regression? What are the properties of regression coefficients. Also differentiate between correlation and regression. D-19 2
  • 3.
    Q10)The following figuresrelate to the prices and quantities of certain commodities. Construct Fisher’s Ideal Index of Price. 1993 1994 Commodities Price Quantity Price Quantity P0 q0 P1 q1 A 16 40 30 40 B 20 60 25 50 C 8 120 15 120 D 4 100 5 100 E 12 50 10 60 Q11)Define Binomial distribution. Explain its chief Characteristics and uses. Q12)A group consists of 100 men and 80 women, 40 among men and 50 among women are graduates. If one person is selected at random from the group. Find the probability the person is either a woman a graduate. Q13)In a sample of 600 students of a certain college, 400 are found to use dot pens. In another college from a sample of 900 students, 450 were found to use dot pens. Test whether the two colleges are significantly different with respect to the habit of using dot pens. zzzz D-19 3