25. Small Businesses. The following data set represents the number of businesses in a random sample of eight cities nationwide.5
7923 | 3642 | 6909 | 6331 | 4311 | 5578 | 2828 | 2781 |
The accompanying figure is a boxplot of the data. Test, using the Wilcoxon signed rank test, whether the population median number of businesses per city is greater than 2500, using level of significance .