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Mathematics, 10.05.2020 08:57 freddhendrickss
The accompanying data represent the weights of various domestic cars and their gas mileages in the city. The linear correlation coefficient between the weight of a car and its miles per gallon in the city is requalsnegative 0.992. The least-squares regression line treating weight as the explanatory variable and miles per gallon as the response variable is Modifying Above y with caret equals negative 0.0073 x plus 45.2243. Complete parts (a) through (c) below. Click the icon to view the data table.
1. What proportion of the variability in miles per gallon is explained by the relation between weight of the car and miles per gallon?
2. The proportion of the variability in miles per gallon explained by the relation between weight of the car and miles per gallon is %. (Round to one decimal place as needed.)
3. Interpret the coefficient of determination. % of the variance in is by the linear model.
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The accompanying data represent the weights of various domestic cars and their gas mileages in the c...
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