The number of people between 89.5 and 99.5 is 1 1%×200=22.

Percentage of 69.5-79.5 = 46 ÷ 200 = 0.23 = 23%;

Grades (points)? Under 59.5 points? 59.5~69.5? ? 69.5~79.5 ? 79.5~89.5 89.5~99.5? Above 99.5? ? Number of people? 28 ? 44 ? 46 ? 28 ? 22 ? 32(2) Qualified rate: 1- 14%=86%,

Excellent rate:14%+1%+16% = 41%;

(3) excellent number: 4 1%×6000=2460,

Unqualified number: 14% × 6000 = 840.