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A small detergent company in Karachi is confident that their sales are growing significantly week by week. Treating sales for the previous eight weeks as a typical example of this increasing trend, they recorded them in PKR 1000's and examined the results. Week 1 2 3 4 5 7 8 Sales (in 2.59 2.55 2.63 2.68 2.74 2.83 2.86 2.99 PKR) a) Plot a scatter diagram between week and sales. b) Find the equation of regression line. c) Find the expected sales for 12th week.

A small detergent company in Karachi is confident that their sales are growing significantly week by week. Treating sales for the previous eight weeks as a typical example of this increasing trend, they recorded them in PKR 1000's and examined the results. Week 1 2 3 4 5 7 8 Sales (in 2.59 2.55 2.63 2.68 2.74 2.83 2.86 2.99 PKR) a) Plot a scatter diagram between week and sales. b) Find the equation of regression line. c) Find the expected sales for 12th week.

Linear Algebra: A Modern Introduction
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter4: Eigenvalues And Eigenvectors
Section4.6: Applications And The Perron-frobenius Theorem
Problem 25EQ
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A small detergent company in Karachi is confident that their sales are growing significantly week by week. Treating sales for the previous eight weeks as a typical example of this increasing trend, they recorded them in PKR 1000's and examined the results. Week 1 2 3 4 5 7 8 Sales (in 2.59 2.55 2.63 2.68 2.74 2.83 2.86 2.99 PKR) a) Plot a scatter diagram between week and sales. b) Find the equation of regression line. c) Find the expected sales for 12th week.
Transcribed Image Text:A small detergent company in Karachi is confident that their sales are growing significantly week by week. Treating sales for the previous eight weeks as a typical example of this increasing trend, they recorded them in PKR 1000's and examined the results. Week 1 2 3 4 5 7 8 Sales (in 2.59 2.55 2.63 2.68 2.74 2.83 2.86 2.99 PKR) a) Plot a scatter diagram between week and sales. b) Find the equation of regression line. c) Find the expected sales for 12th week.
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