Bachelor Of Management Studies (BMS) SEM I 2019 20 Nov 2019-20 STATS Question Paper - Mumbai University | munotes

Questions asked in this paper

1. Q1 Attempt Both Sup-part (A) and(B):
   • A) Fillin the blank with correct alternative (Answer any eight) 8
   • 1.When the data is classified with reference to time it is called classification
   • a) Quantitative b)Geographical C) Chronological d) None of these
   • 2. When two or more characteristics are to be represented bar diagram is used
   • 3. If a fair coin is toss which of the following statement is false?
   • a)Head and tail are mutually exclusive outcomes
   • b)Head and tail are equally likely outcomes
   • c)Head and tail are dependent outcomes
   • d) Head and tail are exhaustive outcomes
   • 4.Which of the following are not particulars of useful table? difference between lower and upper limit of a class is called
   • (a) Class mark (b) length of class interval (c) Class limit (d) Mid-poini ciass
   • 6. The Coefficient of Correlation always lies between
   • (b)-1 and |] (c) -] (d)None of these requirement of good measure of dispersion should be
   • a) Rigidly defined b) Based on all observation
   • c) Capable of further algebraic treatment of the above
   • 9. variation occur due {0 Weather or Customs,
   • a) cyclic b) Irregular C) Seasonal d) None of these
   • 10.Maximum Criterion js a decision making under Risk b) Uncertainty c) certainty d) none Of these
   • B) State Whether the following Statement are true or False (Answer any 7)
   • l. Quartile deviation js an Obsolute measure of dispersion
   • 2. If the Correlation Coefficient js Zero then the between the variable js
   • 4. There are four components of time
   • 5. If events A and Bare exhaustive then 4 UB is a null set,
   • 6. A random variable which can take al] Possible value Over an interval js Called a discrete
   • 7. There are always two lines of regression for Paired set of data
   • 8. Collection -Presentation and Interpretation of data are the four Component of
   • 9. Ifthe Variable are independent then they are Correlated
   • 10. Future 'rend value can be estimated with the help Of straight line trend
2. Q2 Attempt cither (A ) or (B): 2A) P) Yields Of grains jn quintal in three consecutive year js given below (8) Represent the above information by percentage bar diagram, The following are the marks of 3-student in 4-subject.the weight of the subject are given. (7) Decide which of the three student is the best 2B) P) Draw ‘less than’ cumulative frequency curve for the following data. (8) Hence find (i) 2-quartiles (ii) No of worker having between 75 and 95
   • Q) The foilowing table show frequency distribution of body weight (in gms) of fish in pound is given below: (7) Weight(in gms) | 200-201 204-205 | 205-206 Find modal body weight of fish in a pond
3. Q3 Attempt either (A )or (B): 3A)P) Compute lower and upper quartiles and hence find the quartile deviation and (8) Coefficient of quartiles deviation for the following frequency distribution No of e-transaction per day [2 [3 4 | 5 [6 |7
   • Q) Calculate Mean Deviation from mean and its Co-efficient for the data. 3B)P) Find standard deviation for the following data: (8) 7
   • Q) There are 2-groups of children having 50 and 70 children respectively .the arithmetic meanof Weight of children in 2-groups are 30kgs and 40kgs with standard deviation 16 kgs and 5kgs respectively. Find the combined mean and standard deviation of entire group containing 120 children 7
4. Q4 Attempt (A )or (B): 4A)P) Fit a trend line by the method of least squares and estimate the trend for the year 2009. (8) 4Q) For the following data Price Index Number Using simple Aggregate Method. (7) Laspeyre’s and Paasche’s Index number (8)
   • Q) Calculate Kelley’s Index Number from the following data, in Rs. Per Unit 7
   • 5. Attempt either (A SA)P) Calculate EVPI for the following (8) Act Payoff in Rs The Probability distribution function (pdf) of a discrete random variable X (7) Attempt (Any three): (15) Distinguish between primary and secondary data
   • (ii) Merit and demerits of Median the Component of Decision-making What are the limitation of index number
   • (v) What are the function of statistics

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