pathfinder - The Institute of Chartered Accountants of Nigeria
pathfinder - The Institute of Chartered Accountants of Nigeria
pathfinder - The Institute of Chartered Accountants of Nigeria
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PATHFINDERQUESTION 6A survey on the sources <strong>of</strong> drinking water conducted among 450 dwellers inDamaturu town revealed the following result:EducationalBackgroundTotalSource Literate IlliterateBore-hole 110 145 255Pipe-Borne 90 105 195Total 200 250 450You are required toa. find the expected frequencies corresponding to the observed frequencies.(7marks)b. use a suitable statistical technique to test the hypothesis that the source <strong>of</strong>drinking water is independent <strong>of</strong> the status <strong>of</strong> the dwellers at 5% level <strong>of</strong>significance.(8 marks)(Total: 15 marks)INTERMEDIATE EXAMINATION - NOVEMBER 201088
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