The regression model is the equation of the linear relationship obtained by fitting values of two variables using a linear regression. Hence, the linear equation for the data is Y = 0.65X + 7.91
The Correlation Coefficient, R gives the type and strength of the relationship between two variables. The R value of the data is 0.605, which could be interpreted to mean a strong positive association between school A and school B.
Using technology such as Excel or linear regression calculator ; the model equation obtained by fitting the data is Y = 0.65X + 7.91
Where ;
- Y = Predicted variable
- X = predictor variable
- Slope = 0.65
- Intercept = 7.91
The Correlation Coefficient, R = 0.605, depicting a strong positive association.
Therefore, the most appropriate options from the options given are :
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