$$\text { TABLE 13-10 }$$ The Management of a Chain Electronic Store Would Like to Electronic

question 79

Multiple Choice

$$\text { TABLE 13-10 }$$ The management of a chain electronic store would like to develop a model for predicting the weekly sales (in thousand of dollars) for individual stores based on the number of customers who made purchases. A random sample of 12 stores yields the following results:
$$\begin{array} { | c | c | } \hline \text { Cugtomera } & \text { 5aleg (Thougardaof Dollara) } \\\hline \mathbf { 9 0 7 } & 11.20 \\\hline \mathbf { 9 2 6 } & 11.05 \\\hline 713 & \mathbf { 8 . 2 1 } \\\hline 741 & \mathbf { 9 . 2 1 } \\\hline 780 & \mathbf { 9 . 4 2 } \\\hline \mathbf { 8 9 8 } & \mathbf { 1 0 . 0 8 } \\\hline 510 & \mathbf { 6 . 7 3 } \\\hline 529 & 7.02 \\\hline 460 & \mathbf { 6 . 1 2 } \\\hline \mathbf { 8 7 2 } & \mathbf { 9 . 5 2 } \\\hline \mathbf { 6 5 0 } & 7.53 \\\hline \mathbf { 6 0 3 } & 7.25 \\\hline\end{array}$$
-Referring to Table 13-10, the residual plot indicates possible violation of which assumptions?

• A) normality
• B) autocorrelation
• C) linearity of the relationship
• D) homoscedasticity

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