Which trait would most likely lead a scientist to repeat an experiment and verify the data

A trait is a characteristic. 

For a scientist to repeat an experiment and verify the data, he/she needs to be determined and accurate. 

She/ he needs to be acurate and determined because if not then she/he would get a wron answer or will not be able to repeat or verify the data.
Hope thiis helps:)

1. and 2. question: in which equation? or i don't understand you, 3. a), 4. c), 5. c), 6. b), 7. d), 8. d) if small number is underlined(behind symbol) , b) if big number is underlined(in front of symbol)9. what is underlined there? 10. c)