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Exercise $5$A$-5($Algo$)$ Least$-$Squares Regression $[$LO$5-11]$

George Caloz & Fr$$res$,$ located in Grenchen, Switzerland, makes luxury custom watches in small lots. One of the

company's products, a platinum diving watch, goes through an etching process. The company has recorded

etching costs as follows over the last six weeks:

For planning purposes, management would like to know the variable etching cost per unit and the total fixed

etching cost per week.

Exercise $5$A$-5$ Part $2($Algo$)$

$2-$a$.$ Using the least$-$squares regression method, estimate the variable etching cost per unit and the total fixed etching cost per week.

$2-$b$.$ Express these estimates in the form $Y=a+bx.$

Complete this question by entering your answers in the tabs below.

Using the least$-$squares regression method, estimate the variable etching cost per unit and the total fixed etching cost per

week. $($Round your answers to $2$ decimal places.$)$

Fixod etching cost par week

Variable etching cost per unit

$2-$a$.$ Using the least$-$squares regression method, estimate the variable etching cost per unit and the total flxed etching cost per week.

$2-$b$.$ Express these estimates in the form $Y=a+bx.$

Complete this question by entering your answers in the tabs below.

Express these estimates in the form $Y=a+bx.($Round your answers to $2$ decimal places.$)$

$Y=$

If the company processes eighteen units next week, what would be the expected total etching cost? $($Round your intermediate

calculations and final answer to $2$ decimal places.$)$