The number of ways 6 persons can be seated at a round table facing inwards, if two arrangements are said to be indistinguishable when they are in the same clockwise order, is

If benito is selecting samples of five values from the table, which row will result in the greatest mean? population data row 1 4 2 2 3 3 row 2 3 3 4 3 2 row 3 2 4 3 4 3 row 4 3 4 4 7 3 row 1 row 2 r