IGNOU MCO-03 December 2025 Previous Year Question Paper

Q1.Discuss the significance of research in business. Discuss briefly the methods of research.

Q2.What do you mean by research design ?

Q3.Briefly explain the components of a re search design.

Q4.(a) Explain the questionnaire method of collecting primary data pointing out their merits and limitations. 10

(b) What precautions would you take while using the data from secondary sources ?

Q5.Discuss the significance of coding and classification of research data. Explain various types of classification of data. 8+12 [ 3 ]

Q6.(a) Distinguish between Estimation and Testing of Hypothesis. 10

(b) Explain the procedure for testing a statistical hypothesis.

Q7.Discuss the utility of Chi-square test in business research. Explain the conditions and limitations for applying Chi-square test. 4+8+8

Q8.(a) What do you mean by interpretation of statistical data ? What precautions are to be take n whi le interpreting the data ? 4+6

(b) Discuss the methods of generalization. [ 4 ]

Q9.Write short notes on the following : 4×5=20

(a) Likert scale

(b) Pilot study

(c) Time series

(d) Normal distribution [ 5 ] MCO–03 okf.kT; esa LukrdksÙkj mikf/k (,e- dkWe-) l=kar ijh{kk fnlEcj] 2025 ,e-lh-vks-&03 % vuqla/kku fof/k;k¡ ,oa lkaf[;dh; fo'ys"k.k le; % 3 ?k.Vs vf/kdre vad % 100 Hkkfjrk % 70% uksV % fdUgha ik¡p iz'uksa ds mÙkj nhft,A lHkh iz'uksa ds vad leku gSaA [ 6 ] MCO–03 1- O;olk; esa vuqla/kku ds egRo ij ppkZ dhft,A vuqla/kku dh fof/k;ksa ij la{ksi esa ppkZ dhft,A 20 2- vuqla/kku fMtkbu ls vki D;k le>rs gSa \ vuqla/kku fMtkbu ds ?kVdksa dks la{ksi esa le>kb,A 5$15 3-

(v) izkFkfed vk¡dM+ s ,d= djus dh iz'ukoyh (questionnaire) fof/k d h O;k[;k dhft, vkSj muds ykHkksa vkSj lhekvksa dks bafxr dhft,A 10

(c) f}rh;d lzksrksa ls vk¡dM+k sa dk mi;ksx djrs le ; vki D;k lko/kkfu;k¡ viuk;saxs \ 10 4- vuqla/kku esa vk¡dM+k sa dh dksfMax vkSj oxhZdj.k ds egRo ij ppkZ dhft,A vk¡dM+ksa ds fofHkUu izdkj ds oxhZdj.k dks le>kb;sA 8$12 [ 7 ] MCO–03 5-

(v) vuqeku vkSj ifjdYiuk ds ijh{k.k (Testing of Hypothesis) esa varj Li"V dhft,A 10

(c) ,d lkaf[;dh; ifjdYiuk ds ijh{k.k dh izfØ;k dks le>kb,A 10 6- O;kolkf;d vuqla/kku esa dkbZ& LDok;j ijh{k.k (Chi- square test) dh mi;ksfxrk ij ppkZ dhft,A dkbZ&LDok;j ijh{k.k ykxw djus dh 'krks± vkSj lhekvksa dh O;k[;k dhft,A 4$8$8 7-

(v) lkaf[;dh; vk¡dM+ksa dh O;k[;k ls vki D;k le>rs gSa \ vk¡dM+ksa dh O;k[;k djrs le; D;k lko/kkfu;k¡ cjruh pkfg, \ 4$6

(c) lkekU;hdj.k dh fof/k;ksa ij ppkZ dhft,A 10 [ 8 ] MCO–03 8- fuEufyf[kr ij laf{kIr uksV~l fyf[k, % 4×5=20

(v) fydVZ Ldsy

(c) izkjfEHkd v/;;u (l) le; Üka`[kyk (n) lkekU; caVu