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1. pg| 163 Diamonds are forever... and costly! The table gives the price (in dollars) and weight (in carats) for 15 randomly selected round, clear, internally flawless diamonds with excellent cuts.72 Carat 0.50 3.61 1.21 1.74 0.31 3.56 1.51 3.01 1.04 1.20 1.10 1.08 1.61 1.29 1.13 Price ($) 4070 365,700 30,315 57,282 1404 329,613 45,928 229,509 24,679 24,855 25,127 24,026 47,126 32,315 25,075 (a) Calculate a quadratic model for these data using carat weight as the explanatory variable. (b) Sketch the scatterplot, along with the quadratic model. (c) Calculate and interpret the residual for the diamond that weighed 3.61 carats.

1. pg| 163 Diamonds are forever... and costly! The table gives the price (in dollars) and weight (in carats) for 15 randomly selected round, clear, internally flawless diamonds with excellent cuts.72 Carat 0.50 3.61 1.21 1.74 0.31 3.56 1.51 3.01 1.04 1.20 1.10 1.08 1.61 1.29 1.13 Price ($) 4070 365,700 30,315 57,282 1404 329,613 45,928 229,509 24,679 24,855 25,127 24,026 47,126 32,315 25,075 (a) Calculate a quadratic model for these data using carat weight as the explanatory variable. (b) Sketch the scatterplot, along with the quadratic model. (c) Calculate and interpret the residual for the diamond that weighed 3.61 carats.

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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1. pg| 163 Diamonds are forever... and costly! The table gives the price (in dollars) and weight (in carats) for 15 randomly selected round, clear, internally flawless diamonds with excellent cuts. 72 Carat 0.50 3.61 1.21 1.74 0.31 3.56 1.51 3.01 1.04 1.20 1.10 1.08 1.61 1.29 1.13 Price ($) 4070 365,700 30,315 57,282 1404 329,613 45,928 229,509 24,679 24,855 25,127 24,026 47,126 32,315 25,075 (a) Calculate a quadratic model for these data using carat weight as the explanatory variable. (b) Sketch the scatterplot, along with the quadratic model. (c) Calculate and interpret the residual for the diamond that weighed 3.61 carats.
Transcribed Image Text:1. pg| 163 Diamonds are forever... and costly! The table gives the price (in dollars) and weight (in carats) for 15 randomly selected round, clear, internally flawless diamonds with excellent cuts. 72 Carat 0.50 3.61 1.21 1.74 0.31 3.56 1.51 3.01 1.04 1.20 1.10 1.08 1.61 1.29 1.13 Price ($) 4070 365,700 30,315 57,282 1404 329,613 45,928 229,509 24,679 24,855 25,127 24,026 47,126 32,315 25,075 (a) Calculate a quadratic model for these data using carat weight as the explanatory variable. (b) Sketch the scatterplot, along with the quadratic model. (c) Calculate and interpret the residual for the diamond that weighed 3.61 carats.
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