A1 fx Customer The accompanying data file shows the annual expenditures (Expenditures in \$) for 100 Amazon Prime customers. Click here for the Excel Data File a. Construct a boxplot for the annual expenditures variable. Does the boxplot suggest that outliers exist? No outliers exist. An outlier exists in the upper part of the distribution. An outlier exists in the lower part of the distribution. Outliers exist in both the lower and upper part of the distribution. b-1. Use z-scores to determine if there are any outliers for the annual expenditures variable Note: Round final answers to 2 decimal places. Negative amounts should be indicated by a minus sign. b-2. The 2-scores for the minimum and maximum observations suggest that: no outiers exist. b-2. The z-scores for the minimum and maximum observations suggest that: no outllers exist. an outlier exists in the upper part of the distribution. an outlier exists in the lower part of the distribution. outliers exist in both the lower and upper part of the distribution. b-3. Which of the following stotements is most accurate with respect to outliers in this example? The boxplot and 2 -scores provide consistent results. The boxplot is more reliable because the distribution is not symmetric. The z-scores are more rellable because the distribution is not symmetric. The zscores are more reliable because the distribution is symmetric. A1 fx Customer The accompanying data file shows the annual expenditures (Expenditures in \$) for 100 Amazon Prime customers. Click here for the Excel Data File a. Construct a boxplot for the annual expenditures variable. Does the boxplot suggest that outliers exist? No outliers exist. An outlier exists in the upper part of the distribution. An outlier exists in the lower part of the distribution. Outliers exist in both the lower and upper part of the distribution. b-1. Use z-scores to determine if there are any outliers for the annual expenditures variable Note: Round final answers to 2 decimal places. Negative amounts should be indicated by a minus sign. b-2. The 2-scores for the minimum and maximum observations suggest that: no outiers exist. b-2. The z-scores for the minimum and maximum observations suggest that: no outllers exist. an outlier exists in the upper part of the distribution. an outlier exists in the lower part of the distribution. outliers exist in both the lower and upper part of the distribution. b-3. Which of the following stotements is most accurate with respect to outliers in this example? The boxplot and 2 -scores provide consistent results. The boxplot is more reliable because the distribution is not symmetric. The z-scores are more rellable because the distribution is not symmetric. The zscores are more reliable because the distribution is symmetric