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Use the given data to complete parts (a) and (b) below. xy Q 23 4 3.9 1.4 3 3.7 46 4.9 (a) Draw a scatter diagram of the data. Choose the correct answer below. OA. O B. O C. Q N Compute the linear correlation coefficient. The linear correlation coefficient for the four pieces of data is. Round to three decimal places as needed. (b) Draw a scatter diagram of the data with the additional data point (10.4.9.3). Choose the correct answer below. O B. D C. Q Q Compute the linear correlation coefficient with the additional data point. The linear correlation coefficient for the five pieces of data is]. (Round to three decimal places as needed.) Comment on the effect the additional data point has on the linear correlation coefficient. O A. The additional data point strengthens the appearance of a linear association between the data points O B. The additional data point does not affect the linear correlation coefficient. O C. The additional data point weakens the appearance of a linear association between the data points. Explain why correlations should always be reported with scatter diagrams. O A. The scatter diagram is needed to see if the correlation coefficient is being affected by the presence of outliers. O B. The scatter diagram can be used to distinguish between association and causation. O C. The scatter diagram is needed to determine if the correlation is positive or negative