1. A taxi-company owner in Kuala Lumpur has six cars of different ages. He records the...

 

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1. A taxi-company owner in Kuala Lumpur has six cars of different ages. He records the annual cost of repairs (in Malaysian Ringgit). Using the data below, and the least squares method, work out the gradient (b) of the regression line (round to the nearest whole number). Taxi Age (x) Cost (y) (MYR) a. 2659 b. 2682 c. 2696 d. 2702 1 1400 2 1500 3 1200 4 1800 5 2400 6 3000 1. A taxi-company owner in Kuala Lumpur has six cars of different ages. He records the annual cost of repairs (in Malaysian Ringgit). Using the data below, and the least squares method, work out the gradient (b) of the regression line (round to the nearest whole number). Taxi Age (x) Cost (y) (MYR) a. 2659 b. 2682 c. 2696 d. 2702 1 1400 2 1500 3 1200 4 1800 5 2400 6 3000

Answer rating: 100% (QA)

Step 1 For each xy point calculate x and xy So in our case For 11400 x1 xy1400 For 2150... View the full answer