Catherine dropped two balls, M and N, of the same size into a tray of flour from the same height as shown below. Ball M has a greater mass than ball N.
She recorded the depth of the dent made by the balls in the tray of flour in the table below.
|Depth of dent (cm)|
|Ball||1st try||2nd try||3rd try||Average|
Based on the results in the table above, which of the following statement(s) is/are definitely correct?