Penjelasan dengan langkah-langkah:
1.
V = 4/5 . πr²t
V = 4/5 . (22/7 . 35 . 35 . 100)
V = 4/5 . (385.000)
V = 308.000 cm³
2.
Lp = LpTabung Tanpa Tutup + LpKerucut Tanpa Alas
Lp = πr(r + 2t) + πrs
Lp = 22/7 . 7 (7 + 2(32)) + 22/7 . 7 . 10
Lp = 22(7 + 64) + 220
Lp = 1782 cm²
3.
V = VBalok + VLimas
V = plt + 1/3 . La . T
V = (12)(7)(5) + 1/3(12)(7)(11)
V = 728 cm³
4.
Urutan data :
Nilai || Frekuensi
6 = 2
7 = 3
8 = 4
9 = 1
Mean = (6 . 2 + 7 . 3 + 8 . 4 + 9 . 1)/10
Mean = 74/10
Mean = 7,4
Median = Q2
Q2 = 1/2 . {X(n/2) + X(n/2 + 1)}
Q2 = 1/2 . {X5 + X6}
Q2 = 1/2 . {X11}
Q2 = {X5,5}
X5,5 artinya data ke 5,5. Berada di 7,5.
Modus (Paling banyak) ada di data nilai 8. Berjumlah frekuensi 4.
Mapel : Matematika
Kelas : 8
Materi : Statistika dan BR
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Verified answer
Penjelasan dengan langkah-langkah:
1.
V = 4/5 . πr²t
V = 4/5 . (22/7 . 35 . 35 . 100)
V = 4/5 . (385.000)
V = 308.000 cm³
2.
Lp = LpTabung Tanpa Tutup + LpKerucut Tanpa Alas
Lp = πr(r + 2t) + πrs
Lp = 22/7 . 7 (7 + 2(32)) + 22/7 . 7 . 10
Lp = 22(7 + 64) + 220
Lp = 1782 cm²
3.
V = VBalok + VLimas
V = plt + 1/3 . La . T
V = (12)(7)(5) + 1/3(12)(7)(11)
V = 728 cm³
4.
Urutan data :
Nilai || Frekuensi
6 = 2
7 = 3
8 = 4
9 = 1
Mean = (6 . 2 + 7 . 3 + 8 . 4 + 9 . 1)/10
Mean = 74/10
Mean = 7,4
Median = Q2
Q2 = 1/2 . {X(n/2) + X(n/2 + 1)}
Q2 = 1/2 . {X5 + X6}
Q2 = 1/2 . {X11}
Q2 = {X5,5}
X5,5 artinya data ke 5,5. Berada di 7,5.
Modus (Paling banyak) ada di data nilai 8. Berjumlah frekuensi 4.
Mapel : Matematika
Kelas : 8
Materi : Statistika dan BR