Estatística
1) a) I) 12 4 h = 12+0,16 = 12h 9min 36seg 25
II) 8 7 h = 8+0,3181818 = 8h 19min 5seg 22
2) a) I) 542,55 = 543 II) 78,5 = 78
3) a) I) 8h 45min = 8 45 = 8 3 = 8,75 h 60 4
II) 15h 45seg = 15 45 = 15 1 h 3600 80
4) a) I) 8h + 36min = 8 36 = 8 3 h 60 5
II) 45min – 30seg = 45 - 36 = 3 - 1 = 90-1 = 89 h 60 3600 4 120 120 120
d) I) 21° 45’ 55’’ = 52’ 14’’ 25 21 = 50’ 24’’ 25 45 = 1’ 48’’ 25 55 = 2’’ 25
II) 49° 25’ 35’’ = 3° 17’ 42’’ 15 49 = 3° 15’ 60’’ 15 25 = 1’ 40’’ 15 35 = 2’’ 15
g) III) 59 cm (0,001) = 59 = 0,055 108 dm 1080
5)
F Fa Fr Fra %fr %fra Ang. (°)
5 5 0,025 0,025 2,5 2,5 9
15 20 0,075 0,100 7,5 10,0 27
25 45 0,125 0,225 12,5 22,5 45
80 125 0,400 0,625 40,0 62,5 144
60 185 0,300 0,925 30,0 92,5 108
15 200 0,075 1,000 7,5 100,0 27
200 1,000 100,0 360 5 – 200 => x = 1800 => x = 9° 80 – 200 => x = 28800 => x = 144° x – 360 200 x – 360 200
15 – 200 => x = 5400 => x = 27° 60 – 200 => x = 21600 => x = 108° x – 360 200 x – 360 200
25 – 200 => x = 9000 => x = 45° 15 – 200 => x = 5400 => x = 27° x – 360 200 x – 360 200
Conjuntos
4) A= {7,0,9,8x} X = 8a
RolA = {0,7,8x,9} RolA = {0,7,9,16}
8 = 0,7,8x,9 4
32 = 16+8x
8x = 16a x = 2a
Mo = Amodal
Md = 8a
8) A= {7,1,8,10x} Mo = 7h
RolA = {1,7,8,10x} 10x = 7
RolA = {1,7,7,8}
X = 1,7,7,8 => X = 5h 45min 4
Md = 7,7 = 7h 2
Tabelas
1) a) X = Σfx => X = 10320 => X 46a 10m 27d Σf 220
b) Pmd = Σf = 220 = 110 2 2
Md = l + h(Pmd – faa) => Md = 45 + 10(110 – 70) => Md = 45 + (1100 + 700) f 125 125
Md =