Formonix Limited provides financial services to corporate clients in Birmingham. The company is planning to investigate whether there is a relationship between the amount of money spent on staff training and sales revenue. The following figures were collected over 8 months in 2021 from money spent and sales revenue: Money spent on training 000's Sales 000's 14 119 16 130 17 131 18 145 11 50 13 95 23 145 14 100 Required: a) Using the above data and appropriate formulas, estimate and interpret a and B coefficients. (10 marks) b) Suppose we have the following regression equation: Sales = 400-52(Price) + 16(Holiday) where: Sales is the number of pies sold per week Price is pie price in pounds Holiday is equal to 1 if a holiday occurred during the week or equal to 0 if no holiday occurred during the week Estimate sales if the price is 3 and there is no holiday during the week. (5 marks) Formonix Limited provides financial services to corporate clients in Birmingham. The company is planning to investigate whether there is a relationship between the amount of money spent on staff training and sales revenue. The following figures were collected over 8 months in 2021 from money spent and sales revenue: Money spent on training 000's Sales 000's 14 119 16 130 17 131 18 145 11 50 13 95 23 145 14 100 Required: a) Using the above data and appropriate formulas, estimate and interpret a and B coefficients. (10 marks) b) Suppose we have the following regression equation: Sales = 400-52(Price) + 16(Holiday) where: Sales is the number of pies sold per week Price is pie price in pounds Holiday is equal to 1 if a holiday occurred during the week or equal to 0 if no holiday occurred during the week Estimate sales if the price is 3 and there is no holiday during the week