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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PATHFINDERTo test the hypothesis:(b). H 0 : <strong>The</strong> source <strong>of</strong> drinking water is independent <strong>of</strong> the status <strong>of</strong> thedwellers.H 1 : <strong>The</strong> source <strong>of</strong> drinking water is dependent <strong>of</strong> the status <strong>of</strong> thedwellers.<strong>The</strong> suitable statistical technique is2- test <strong>of</strong> IndependenceAppropriate test statistics2= ∑ ( fo ─ fe) 2fewhere o = Observed frequenciese = Expected frequenciesFo fe fo ─ fe (fo ─ fe) 2 (fo─fe) 2fe90 113.33 - 3.33 11.09 0.13110 86.67 3.33 11.09 0.10105 141.67 3.33 11.09 0.10145 108.33 -3.33 11.09 0.08Total 0.412= 0.41Degree <strong>of</strong> Freedom = ( r ─1) ( c ─1)=( 2 ─1) ( 2─1)= 1<strong>The</strong> table value <strong>of</strong>2at 0.05 level <strong>of</strong> significance is 3.84INTERMEDIATE EXAMINATION - NOVEMBER 2010103