One of Varic Company€™s products goes through a glazing process. The company has observed glazing costs as follows over the last six weeks:

For planning purposes, the company€™s management must know the amount of variable glazing cost per unit and the total fixed glazing cost per week.
Required:
1. Using the least-squares regression method, estimate the variable and fixed elements of the glazing cost.
2. Express the cost data in (1) above in the form Y = a + bX.
3. If the company processes seven units next week, what would be the expected total glazingcost?

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Units Produced Glazing Cost Week 10