DDecoupling

 After much back and forth, managed to specify error mitigation on a Sampler run.

Ran it twice, and the results were similar. Below:

                                        

                                        

Dynamic decoupling works by not letting any qubits be idle and thus accumulate errors...

Error mitigation and suppression techniques | IBM Quantum Documentation

What ran:

                                                                             

Random run on ibm_sherbrooke:

                                                                       

                                                                  *     *     *

There is an actual tutorial on turning various error mitigation protocols off and on; I'll

be looking at that next...