Inspection of the scatter plot above seems to indicate that the assumptions of the linear model may not be met.Which aspect of the plots indicate this?
A)The original plot and the plot of the residuals clearly indicate a non-linear model is more appropriate.
B)There is evidence that the residuals are not normally distributed.
C)The slope of the best fit line is non-zero.
D)The correlation between the variables is non-zero.
E)There is evidence the residuals do not have the same variance for all pH values.
.

Question

Quizplus · Accepted Answer

The scatter plot suggests that there may be a pattern in the residuals, with larger residuals for higher and lower pH values. This indicates that the variance of the residuals may not be constant across all levels of pH. This violates the assumption of equal variance, which is necessary for the linear model to be appropriate.

Inspection of the Scatter Plot Above Seems to Indicate That