IGNOU MCO-03 December 2018 Previous Year Question Paper

Q1.Explain Chi-square test as a goodness of fit. Also, explain conditions for applying Chi-square test.

Q2.(a) What do you understand by point 10 estimation, and interval estimation.

(b) Explain different approaches to probability 10 with examples.

Q3.(a) Discuss different methods of non-random 10 sampling with examples of each method.

(b) Enumerate sampling and non-sampling 10 errors.

Q4.Discuss different types of Interval scales and their 20 applicability in business research.

Q5.(a) Explain the purpose of splicing and 10 Deflating of index numbers with suitable examples.

(b) Discuss the importance of Visual 10 Presentation of Data.

Q6.(a) Explain the significance of research in 10 Business.

(b) Explain the significance of following terms : 5+5

(i) Standard error of estimate

(ii) Coefficient of determination.

Q7.Draw :

(a) Histogram, and

(b) Frequency polygon for the following data and do the necessary description of the data. 10+10 Profit (Rs in Crores) 0-10 10 - 20 20 - 30 30 - 40 40 - 50 50 - 60 60 - 70 No. of companies 2 5

Q8.Write short notes on any two of the following : 10+10

(a) t-test for Independent Samples

(b) Statistical Fallacies

(c) Components of Research Report

(d) Poisson Distribution MCO-003 2 (7..311. -003 uu.sti tiicich zErriv TrIfff TRIATr ` qticlt, 2018 7 1:11:11311.-003 : WWII 4Zieh : 3 alfvw-d-g : 100 : 70% *2 - : ft;/2-67 Eft 301). %IV< fRf-orq/ FS# shel7 31T Fir/T7

Q9.TRIvittg` (44 *RI -qui, (CM-Square Test) °WV-1f .9NR I chli TRUTT

Q10.11. auk ALT1

Q11.(a) rqs atd{ 1 iii i i 3iTtf 10 wropi t?

(b) suri-zrwm fitthirr aTatmvrraii 10 (approaches to probability) dcWul Trig-a allt ~ il R

Q12.(a) 3lt4 (non-random sampling) f4f4T4 10 dqwui Tfrgff ce4 I ise4 I

Q13.`a`i YchR ataTra 111i4 (Interval scales) 20 31t1F 3•ff-* siell3c-I1 (applicability) f-4-4q7 1 -4R

Q15.(a) ceicmii 31 1%11-i* 4-1cf otlitazif 10 Wif- g

(b) otikSqi uF : 5+5

(i) 3 11 Hvich A ffftthuT TiliTfW (Coefficient of determination)

Q17.PP-Trawl 1114 ret)-67 t fffilKfR : 10+10

(a) klcii -5Ffff-4144 (independent sample) * t-"Etkiuf (t-test)

(b) tseict) VTF1TTM (Fallacies)

(c) 31 fNIffft * Next) (components)

(d) (Poisson)