gender salbegin jobtime m $27,000 98 m $18,750 98 m $21,000 98 m $13,500 98 m $18,750 98 m $12,000 98 m $14,250 98 m $13,500 97 m $15,000 97 m $14,250 97 m $27,510 97 m $14,250 97 m $12,750 97 m $12,600 96 m $27,480 96 m $14,250 96 m $79,980 96 m $14,250 96 m $14,250 96 m $45,000 96 m $15,000 96 m $39,990 96 m $30,000 96 m $13,500 96 m $15,000 96 m $15,000 96 m $16,500 95 m $14,250 95 m $14,250 95 m $13,500 95 m $14,100 94 m $16,500 94 m $23,730 94 m $15,000 94 m $15,000 94 m $26,250 94 m $13,500 94 m $15,000 94 m $13,500 94 m $15,750 94 m $14,250 94 m $15,000 94 m $9,750 94 m $21,750 93 m $26,250 93 m $21,000 93 m $14,550 93 m $30,000 93 m $21,240 93 m $21,480 93 m $25,000 93 m $20,250 93 m $34,980 93 m $17,100 92 m $15,750 92 m $14,100 92 m $28,740 92 m $27,480 92 m $15,000 92 m $19,500 92 m $15,000 92 m $27,480 91 m $22,500 91 m $15,750 91 m $35,010 91 m $15,750 91 m $13,500 91 m $29,490 91 m $15,000 91 m $18,000 91 m $9,000 91 m $15,000 91 m $27,480 90 m $16,500 90 m $14,100 90 m $16,500 90 m $15,000 90 m $15,000 90 m $15,000 90 m $27,510 89 m $30,000 89 m $15,750 89 m $17,250 89 m $15,750 89 m $15,000 88 m $37,500 88 m $15,000 88 m $13,500 88 m $23,250 88 m $13,500 88 m $15,000 87 m $15,000 87 m $26,250 87 m $15,000 87 m $15,000 87 m $15,000 87 m $47,490 86 m $19,500 86 m $23,250 86 m $15,000 86 m $14,400 86 m $15,000 86 m $13,500 86 m $42,480 85 m $15,000 85 m $15,600 85 m $13,050 85 m $15,750 84 m $15,000 84 m $15,000 84 m $20,400 84 m $21,750 84 m $12,750 84 m $25,500 83 m $43,500 83 m $27,480 83 m $34,980 83 m $19,500 83 m $16,500 83 m $15,000 83 m $16,500 83 m $52,500 83 m $15,000 83 m $17,250 83 m $16,500 83 m $15,000 83 m $16,500 83 m $15,000 83 m $15,750 82 m $27,750 82 m $15,750 82 m $15,000 82 m $15,750 82 m $15,000 82 m $21,000 81 m $33,750 81 m $15,000 81 m $19,500 81 m $31,500 81 m $11,400 81 m $32,490 80 m $15,750 80 m $27,480 80 m $36,750 80 m $11,550 80 m $15,000 80 m $17,250 79 m $18,000 79 m $16,500 79 m $31,980 79 m $15,750 79 m $21,750 79 m $16,500 79 m $21,000 79 m $15,750 79 m $15,000 79 m $32,010 78 m $33,000 78 m $15,750 78 m $25,500 78 m $19,500 78 m $23,730 78 m $30,750 78 m $36,240 78 m $15,750 78 m $15,000 78 m $14,250 78 m $12,750 78 m $15,750 78 m $15,000 78 m $15,000 78 m $13,500 78 m $15,000 78 m $15,750 78 m $15,750 77 m $16,500 77 m $32,490 77 m $18,000 77 m $15,750 77 m $21,240 77 m $15,000 77 m $11,550 77 m $21,990 76 m $15,750 76 m $15,000 76 m $15,750 76 m $15,750 76 m $32,490 75 m $34,980 75 m $17,250 75 m $15,750 74 m $21,240 74 m $33,750 74 m $60,000 73 m $16,500 73 m $15,750 73 m $17,250 72 m $15,000 72 m $18,000 72 m $15,000 71 m $15,750 70 m $16,500 70 m $15,750 70 m $14,700 70 m $15,750 70 m $15,750 70 m $18,000 70 m $15,750 70 m $28,740 70

	find these for the salary begining 

Mean Difference

Standard deviation of differences

Number of differences give me the answer only