Inspection of the Scatter Plot Above Seems to Indicate That

Multiple Choice

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.
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