The data given below relate to the scores obtained by 9 salesmans in an inteligence test & their weekly sales in lakh of taka: Salesmans 1 2 3 4 5 6 7 8 9 Test Score 50 60 50 60 80 50 80 40 70 Sales (in Lakh) 3 6 4 5 6 3 7 5 6
(a) Find the regresion equation of sales on the intelegence test scores (b) If a salesman has obtained a score 65 , what would be his expected weekly sales?
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2X+ 45Y is the correct answer
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