IGNOU MCO-22 December 2022 Previous Year Question Paper

Q1.Describe the four states of decision environment in managerial applications. Which is the most prevalent state ? Give reasons with examples.

Q2.Explain arithmetic mean along with its properties. Also explain the relationship among mean, mode and median with the help of a diagram.

Q3.What do you understand by decision theory ?

Q4.What are the key issues in decision theory ?

Q5.Explain decision tree approach for managerial applications. 5+10+5

Q6.What do you understand by the term correlation ? Distinguish between different kinds of correlation with the help of scatter diagrams.

Q7.What is the major difference between probability and non -probability sampling ? Briefly outline the sampling methods that are covered under probability and non-probability sampling.

Q8.A machine is generally known to be producing 20 percent defective items. A quality control inspector selects 5 items at random. Find the probability of getting

(i) exactly 1 defective item

(ii) at least 3 defective items.

Q9.Calculate appropriate measure of skewness from the following data : 20 Payment of Commission No. of Salesmen

Q10.Write short notes on any four of the following : 45=20

(a) Cofactor of an element of matrix

(b) Census and Sample

(c) Standard Deviation and Standard Error

(d) Criteria of optimism

(e) Pilot testing and Pre-testing

(f) Null hypothesis MCO-022 4 E_.gr.Amo.-022 dm{UÁ` ñZmVH$moÎma Cnm{Y (E_.gr.Amo.E_.) gÌm§V narjm {Xgå~a, 2022 E_.gr.Amo.-022 : à~§YH$s` AZwà`moJm| Ho$ {bE _mÌmË_H$ {díbofU g_` : 3 KÊQ>o A{YH$V_ A§H$ : 100 ZmoQ> : {H$Ýht nm±M àíZm| Ho$ CÎma Xr{OE & g^r àíZm| Ho$ A§H$ g_mZ