Given are the set of Y (price) and X (demand) of a certain commodity. X- {9,7,8,9,3,2} and Y- {6,5,7,6,9,8} respectively. a. The equation of the regression line is y=3.6712+4.2318x y=3.6712-4.2318x y=9.1972-0.3732x y=9.1972+0.3732x b. What will be the price of a commodity if the demand is 12? 3.9724

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A: In this case, we need to identify the suitable answer for the given statement.

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A: A multiple regression model has the form Y = -17 + ( 18 * X1 ) + ( 17 * X2 )   As X2 decreases by 1…

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A: Given Information:

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A: The multiple regression equation is given by Y = 90 - 7X1i - 5X2i

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A: r2=0.5322 = 0.283 Coefficient of determination = 0.283   interpretation: The coefficient of…

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Q: X1 2 3 5 6 7 8 X2 3 4 6 8 9 10 Y 4 5 8 10 11 12

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Q: Describe the unexplained variation about a regression line in words and in symbols. y x (Xj, Y₁).…

A: In this case, we need to identify the suitable answer for the given statement.

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A: The sum of squares of the explained deviation values is termed as a explained variation.

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A: hence, our inputs are :-      Sum of X = 8078                       Sum of Y = 1069Mean of X (MX) =…

Q: Which of the figures shows a violation of regression model assumption? 1 2 3 4

A: To determine which figure shows a violation of regression model assumptions, let's analyze each…