3.2 The number of electromagnets produced by an electronics manufacturer during the past six years are shown below: Year 1 2 3 4 5 6 Annual Sales 210 240 240 300 350 350 3.2.1 The plant manager thinks that the growth in sales will continue, and he wants to develop a long-range forecast to be used to plan facility requirements for the next year. Forecast the sales of electronic motors for year 7 using linear regression. (8)

2 The number of electromagnets produced by an electronics manufacturer during the past six years are shown below: 3.2.1 The plant manager thinks that the growth in sales will continue, and he wants to develop a long-range forecast to be used to plan facility requirements for the next year. Forecast the sales of electronic motors for year 7 using linear regression