Jawab:(a.) Rentang data = 22(b.) Kuartil bawah = 25,5(c.) Kuartil atas = 36
Penjelasan dengan langkah-langkah:
Diketahui40 18 29 20 30 25 35 26 35 25 37 40 38 29 29 28
Susun dr yang terkecil18 20 25 25 26 28 29 29 29 30 35 35 37 38 40 40
Jumlah data (n) = 16
(a.) Rentang data = yg terbesar - yang terkecilRentang data = 40 - 18Rentang data = 22
(b.) Kuartil bawah = (n+1)/4 = (16+1)/4 = 17/4 = 4,25Antara data ke 4 dan ke 518 20 25 25 26(25 + 26)/2 =25,5
(c.) Kuartil atas = 3(n+1)/4 = 3(16+1)/4 = 3(17)/4 = 12,75Antara data ke 12 dan 1318 20 25 25 26 28 29 29 29 30 35 35 37 38 40 40(35+37)/2 =36
[[ KLF ]]
Urutan data :
18 20 25 25↑26 28 29 29↓29 30 35 35↑37 38 40 40
a) Rentang data = 40 – 18 = 22 ✔
b) Q1 = (25 + 26)/2 = 51/2 = 25½ ✔
c) Q3 = (35 + 37)/2 = 72/2 = 36 ✔
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Jawab:
(a.) Rentang data = 22
(b.) Kuartil bawah = 25,5
(c.) Kuartil atas = 36
Penjelasan dengan langkah-langkah:
Diketahui
40 18 29 20 30 25 35 26 35 25 37 40 38 29 29 28
Susun dr yang terkecil
18 20 25 25 26 28 29 29 29 30 35 35 37 38 40 40
Jumlah data (n) = 16
(a.) Rentang data = yg terbesar - yang terkecil
Rentang data = 40 - 18
Rentang data = 22
(b.) Kuartil bawah = (n+1)/4 = (16+1)/4 = 17/4 = 4,25
Antara data ke 4 dan ke 5
18 20 25 25 26
(25 + 26)/2 =
25,5
(c.) Kuartil atas = 3(n+1)/4 = 3(16+1)/4 = 3(17)/4 = 12,75
Antara data ke 12 dan 13
18 20 25 25 26 28 29 29 29 30 35 35 37 38 40 40
(35+37)/2 =
36
[[ KLF ]]
Penjelasan dengan langkah-langkah:
Urutan data :
18 20 25 25↑26 28 29 29↓29 30 35 35↑37 38 40 40
a) Rentang data = 40 – 18 = 22 ✔
b) Q1 = (25 + 26)/2 = 51/2 = 25½ ✔
c) Q3 = (35 + 37)/2 = 72/2 = 36 ✔