IGNOU MMPC-005 June 2023 Previous Year Question Paper

Q1.Why is forecasting so important in business ?

Q2.Identify the application of forecasting for short - term and medium-term decisions.

Q3.The overall % of failure in a certain examination is 40. What is the probability that out of a group of 6 candidates at least 4 passed the examination ? [ 2 ]

Q4.Calculate Bowley’s m easure of skewness from the following data : Payment of Commission (in Rs.) No. of Salesmen

Q15.“The success of collecting data through a questionnaire depends mainly on how skillf ully and imagi natively the questionnaire has been designed.” Explain in the view of the statement, designing of questionnaire.

Q16.A sample of 100 students is taken from a large population. The mean height of these students is 64 inches and S.D. of 4 inches. Can it be reasonably regarded that the population mean height is 66 inches ? (Assume : At α0.05, the table cut off value of Z is – 1.96.

Q18.Write short note s on any three of the following :

(a) Mathematical properties of Arithmetic Mean

(b) Bernoulli’s process

(c) Decision Tree Approach

(d) Non-probability sampling

(e) Least square criterion MMPC-005 14,080