Required information Exercise 5A-5 (Algo) Least-squares Regression [LO5-11] George Caloz & Frères, 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: Total Etching Week Units Cost 1 10 $27 2 7 20 3 4 12 31 6 20 8 24 11 30 54 $ 152 For planning purposes, management would like to know the variable etching cost per unit and the total fixed etching cost per week. Exercise 5A-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. Req 2A Req 2B Express these estimates in the form Y = a + bx. (Round your answers to 2 decimal places.) Y= < Req 2A Req 2B >

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter7: Distance And Approximation
Section7.3: Least Squares Approximation
Problem 31EQ
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Exercise 5A-5 (Algo) Least-Squares Regression [LO5-11]
George Caloz & Frères, 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:
Week
1
2
Y =
3
4
5
6
Units
10
7
12
6
8
11
54
Total Etching
Cost
$ 27
20
31
20
24
30
$ 152
For planning purposes, management would like to know the variable etching cost per unit and the total fixed etching cost
per week.
Exercise 5A-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.
Req 28
Reg 2A
Express these estimates in the form Y = a + bx. (Round your answers to 2 decimal places.)
< Req 2A
Req 2B
Transcribed Image Text:Required information Exercise 5A-5 (Algo) Least-Squares Regression [LO5-11] George Caloz & Frères, 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: Week 1 2 Y = 3 4 5 6 Units 10 7 12 6 8 11 54 Total Etching Cost $ 27 20 31 20 24 30 $ 152 For planning purposes, management would like to know the variable etching cost per unit and the total fixed etching cost per week. Exercise 5A-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. Req 28 Reg 2A Express these estimates in the form Y = a + bx. (Round your answers to 2 decimal places.) < Req 2A Req 2B
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