The Result is Not Consistent

[4B - 044 - Fasya Nur Fauzziyah]

Hello i'm student from Indonesia at Politeknik Negeri Bandung.

i have a question about Randoop for my final project. I'am not quiet understand why the Normal Method Execution result is not consistent if i run it more than once and i still have question for  Exceptional Method Executions, Average Method Execution Time Normal, Average Method Execution Time Exceptional, Approximate Memory Usage, Regression Test Count and Regression JUnit test. here is the picture or screenshot. Thank You!