Paired or not In each of the following scenarios determine if the data are paired a Compare the state test math scores of ten random students with their state test english scores O not paired O paired b Compare weights of five pre 1950 pennies with weights of five random after 2000 pennies O not paired O paired c Compare before and after weights of people undergoing surgery O not paired O paired d Comparing the state test math scores of ten random students from two middle schools O paired O not paired