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(Solved): What do you know about the slope of the line of best fit if the coefficient of determination ( \( r ...




What do you know about the slope of the line of best fit if the coefficient of determination ( \( r \)-squared value \( )=0.5
The correlation coefficient, \( r \), for a set of data is \( -0.5 \). Which percent represents the accuracy of predictions m
An error in regression analysis occurs when a conclusion is reached using \( x \) * and y values that are switched.
True
Fals
What do you know about the slope of the line of best fit if the coefficient of determination ( \( r \)-squared value \( )=0.5 \) ? It can be positive or negative It is positive It is negative It is vertical The correlation coefficient, \( r \), for a set of data is \( -0.5 \). Which percent represents the accuracy of predictions made from a model of this data (coefficient of determination as a percent)? 0 50 25 100 An error in regression analysis occurs when a conclusion is reached using \( x \) * and y values that are switched. True False


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Solution :- 1) Without x and y data we cant calculate exact slope any coe
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