Explain and distinguish with examples Primary data and Secondary data (4 marks)

(b)Stat two advantages and two disadvantages of both Primary data and Secondary data. (4marks)

(c) State with reason whether the following data are primary or secondary

I. The Ghana Medical Association to examine the relationship between cigarette smoking and heart disease based on the data published in Ghana Medical Journal (2marks)

II. The textile commissioner is preparing a report on the prospect of textile export based on the data available in the Monthly coal bulletin published monthly by the office of the Chief Inspector of Mines 2marks.

III. The secretary Merchant Chamber of Commerce is using the figures published in Reserve Bank of India Bulletin (Published monthly by the reserve bank of India) as a basis of forecasting supply during the next month. 2marks

IV. A work study inspector decides about time taken to perform a particular job on an assembly line on the basis of random observation collected by him. 2marks

D. State with reasons the data collection technique to be used in the following cases.

i. A severe drought has damaged the crops in the country. You are required to find the extent of damage for remedial measures. (2 marks)

ii. A road accident occurred at a distance of 20km from Madina lorry station. You have been asked to ascertain the cause of the accident and the extent of damage. (2 marks)