A group of men and women were given a maze puzzle. The time it took each person to solve the puzzle is recorded in the table.

Completion Time for Men (seconds) Completion Time for Women (seconds)
285 285 120 335 185
251 76 88 172 131
220 54 147 217 277
94 285 270 337 94
75 77 160 178 140
180 257 223 264 177
204 112 80 230 121
188 79 108 364
119 256 205 94
88 97 180 125
103 85 122
176 337 136
The sample size of men is ,_ and the sample size of women is___ . The mean time taken by ___ to solve the puzzle is less than that taken by _ .