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# Hemwati Nandan Bahuguna Garhwal University 2005 M.Com Commerce STATISTICS - Question Paper

Tuesday, 22 January 2013 01:40Web

1. You are provided the subsequent outcomes for the heights(X) and weight(Y) of 1000 workers of a factory:Mean height=68inch and Ïƒ=2.5 inches Mean weight=150lbs and Ïƒ=20lbs Estimate from the above data(i) the height of a particular factory worker whose weight is 220lbs,and (ii) the weight of a pasrticular factory workers who is six feet tall?
2. Mean height=68 inches Mean weight=150lbs Standard deviation height=2.5 inches Standard deviation weight=20 lbs Coefficient of coorelation=+.6
3. Mean Height=68 inches Mean weight=150 lbs Standard Deviation height=2.5 inches Standard Deviation weight=20 lbs Coefficient of Coorelation=+.6 You are provided the above outcomes for the height(X) and weight(Y) of 1000 workers of a factory: Estimate from the above data: (i) The height of a factory worker whose weight is 200 lbs. (ii) The weight of a worker who is five feet tall.

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