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he totals I'm talking about are 568 and 142 thank you

he totals I'm talking about are 568 and 142 thank you

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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can you explain how did they come up with the totals in the second step?

the totals I'm talking about are 568 and 142

thank you

< >> Ⓡ 8 ↑ Welcome | MySAIL - Oaklar X 47°F Clear chegg.com/homework-hel X G David's Landscaping has co X C chegg.com/homework-hel X G symbols in statistics - Goog X https://ng.cengage.com/static/nb/ui/evo/index.html?eISBN=9780357131466&nbld=3763788&snapshotld=3763788&id=1966748624&takeld=f3d543c5-56ef-4206-8c32-a1cc69c71caf& CENGAGE MINDTAP C14D1 x = MindTap - Cengage Learnin X +60 b₁ = +40 +20 b. Let x = years of experience and y = annual sales ($1000s) Σαΐ Σ Yi n n 568 Σ(x₁ - x)² = 142 70 10 Σ(xi - x) (Yi - y) = 7 = Σ(x; - ā)(y; - v) Σ(x; - z)2 ▾ Solution Correct Response y = 568 142 = 4 b₁ = 108 — (4)(7) = 80 8 boy y = 80 + 4x c. y = 80 + 4x = 80+ 4(9) = 116 or $116,000 Years of Experience 1,0 12 14 1080 10 = 108 Q Search A sales manager collected the following data on annual sales for new customer accounts and the number of years of experience for a sample of 10 salespersons. Click on the datafile logo to reference the data. DATA file Salesperson 1 2 Years of Experience 1 3 ■ Annual Sales ($1000s) + 80 97 Q Search this course ENG T 1) U X X S : 8:31 PM 3/7/2024 G A-Z Office
Transcribed Image Text:< >> Ⓡ 8 ↑ Welcome | MySAIL - Oaklar X 47°F Clear chegg.com/homework-hel X G David's Landscaping has co X C chegg.com/homework-hel X G symbols in statistics - Goog X https://ng.cengage.com/static/nb/ui/evo/index.html?eISBN=9780357131466&nbld=3763788&snapshotld=3763788&id=1966748624&takeld=f3d543c5-56ef-4206-8c32-a1cc69c71caf& CENGAGE MINDTAP C14D1 x = MindTap - Cengage Learnin X +60 b₁ = +40 +20 b. Let x = years of experience and y = annual sales ($1000s) Σαΐ Σ Yi n n 568 Σ(x₁ - x)² = 142 70 10 Σ(xi - x) (Yi - y) = 7 = Σ(x; - ā)(y; - v) Σ(x; - z)2 ▾ Solution Correct Response y = 568 142 = 4 b₁ = 108 — (4)(7) = 80 8 boy y = 80 + 4x c. y = 80 + 4x = 80+ 4(9) = 116 or $116,000 Years of Experience 1,0 12 14 1080 10 = 108 Q Search A sales manager collected the following data on annual sales for new customer accounts and the number of years of experience for a sample of 10 salespersons. Click on the datafile logo to reference the data. DATA file Salesperson 1 2 Years of Experience 1 3 ■ Annual Sales ($1000s) + 80 97 Q Search this course ENG T 1) U X X S : 8:31 PM 3/7/2024 G A-Z Office
1 2 3 4 5 6 7 8 9 10 11 Paste M8 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Clipboard X A Salesperson Ready Times New Roman 47°F Clear В I 1 2 3 4 5 6 7 8 9 10 fx B Years Accessibility: Good to go Font 1 3 4 4 6 8 10 10 11 13 Data Sheet1 12 ♡ A^ A Sales Sheet2 80 97 92 102 103 111 119 123 117 136 N ||||||| + = D ||||||| E =+=+ Alignment H F ab Wrap Text Merge & Center G Q Search H N General I % 9 500 000 Number PRE J N HSH Conditional Format as Cell Formatting ✓ Table Styles Styles K L I H M O Insert x Delete Format Cells N ◆ EM O AY Sort & Find & Filter Select ✓ Editing P Sensitivity Q Sensitivity R ENG Add-ins Add-ins 4) (db) m Analyze Data S T 8:34 PM 3/7/2024 100%
Transcribed Image Text:1 2 3 4 5 6 7 8 9 10 11 Paste M8 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Clipboard X A Salesperson Ready Times New Roman 47°F Clear В I 1 2 3 4 5 6 7 8 9 10 fx B Years Accessibility: Good to go Font 1 3 4 4 6 8 10 10 11 13 Data Sheet1 12 ♡ A^ A Sales Sheet2 80 97 92 102 103 111 119 123 117 136 N ||||||| + = D ||||||| E =+=+ Alignment H F ab Wrap Text Merge & Center G Q Search H N General I % 9 500 000 Number PRE J N HSH Conditional Format as Cell Formatting ✓ Table Styles Styles K L I H M O Insert x Delete Format Cells N ◆ EM O AY Sort & Find & Filter Select ✓ Editing P Sensitivity Q Sensitivity R ENG Add-ins Add-ins 4) (db) m Analyze Data S T 8:34 PM 3/7/2024 100%
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