Q4 The large manufacturing company producing air-conditioner compressor believes the number of units of air-conditioner sold is related to atmospheric temperature. A research and development officer conducted a study and gathered the data in Table Q4. Table Q4: The production of air-conditioner compressor Day Temperature Sale (°C) (in thousand units) 1 63 1.52 2 70 1.68 3 73 1.80 4 75 2.05 5 80 2.36 6 82 2.25 7 85 2.68 8 88 2.90 9 90 3.14 10 91 3.06 11 92 3.24 12 75 1.92 13 98 3.40 14 100 3.28 Find the regression coefficients Po and ₁ by using the least-squares method. Predict the number of air-conditioner sold if the temperature soared to 120 °F. Calculate the coefficient of determination, r and coefficient of correlation, r. (a) (b) (c)
Q4 The large manufacturing company producing air-conditioner compressor believes the number of units of air-conditioner sold is related to atmospheric temperature. A research and development officer conducted a study and gathered the data in Table Q4. Table Q4: The production of air-conditioner compressor Day Temperature Sale (°C) (in thousand units) 1 63 1.52 2 70 1.68 3 73 1.80 4 75 2.05 5 80 2.36 6 82 2.25 7 85 2.68 8 88 2.90 9 90 3.14 10 91 3.06 11 92 3.24 12 75 1.92 13 98 3.40 14 100 3.28 Find the regression coefficients Po and ₁ by using the least-squares method. Predict the number of air-conditioner sold if the temperature soared to 120 °F. Calculate the coefficient of determination, r and coefficient of correlation, r. (a) (b) (c)
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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