The accompanying table lists the numbers of words spoken in a day by each member of 56 different randomly selected couples. Complete parts?(a) and?(b) below.

Male Female 28,632 21,723 15,316 23, 127 5,505 4,480 28,249 19,667 26,053 10,982 7,552 15,640 20,457 10,306 15,980 17,970 28, 198 13,003 20,246 17,246