This document contains a statistics exam for students with multiple choice and free response questions. It includes 7 pages with questions about data tables, measures of central tendency, variance, range, and percentile ranks. Students are asked to calculate averages, medians, modes, quartiles, describe data distributions, and interpret statistical measures for different data sets.

1. Statistika 2017
Dosen: Herlawati, S.Si, MM, M.Kom Page 1
STMIK BINA INSANI
FORMATIF UJIAN TENGAH SEMESTER
Semester Genap Tahun Akademik 2017/2018
Mata kuliah : Statistika
Program Studi : SI, TI, MI
Waktu : 120 menit
Sifat : Open All (BolehMenggunakan Kalkulator)
Jawablah pertanyaan berikut dengan jelas !
Diketahui: (Bobot 10)
Tabel 1. Data Tinggi Badan 100 Mahasiswa STMIK Bina Insani Angkatan 2016
Kelas Tepi
Kelas
Bawah
Tepi
Kela
s
Atas
Titik
Tengah
Frekuensi Frekuensi
Kumulatif
Kurang
Dari
Frekuensi
Kumulatif
lebih
Dari
Frekuensi
Relatif
152 - 154 4
155 - 157 11
158 - 160 10
161 - 163 25
164 - 166 20
167 - 169 20
170 - 172 6
173 - 175 4
Jumlah 100
Ditanyakan:
a. Berapa banyak jumlah kelas dari tabel 1 tersebut?
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b. Isilah Tepi Bawah kelas dari tabel 1 tersebut?
Rumus: _____________________________________________________________
c. Isilah Tepi atas kelas dari tabel 1 tersebut?
Rumus: _____________________________________________________________
d. Isilah Titik tengah dari tabel 1 tersebut?
Rumus: _____________________________________________________________
e. Isilah “Frekuensi KumulatifKurang dari “ dari tabel 1 tersebut?
f. Isilah “Frekuensi KumulatifLebih dari “ dari tabel 1 tersebut?
g. Isilah “Frekuensi relatif“ dari tabel 1 tersebut?
Type : ...
Nama:_______________________
NPM: ________________________
Kelas:________________________
Dosen:_______________________
Tanda tangan danTanggal:

2. Statistika 2017
Dosen: Herlawati, S.Si, MM, M.Kom Page 2
Diketahui :
Y1 = - 5 , Y2 = 2, Y3 = 4, Y4 = 3
Tentukan ∑ (𝒀𝒊
𝟐
− 𝟐) = ⋯𝟒
𝒊=𝟏 (Bobot 5)
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Tentukan ∑ (𝒀𝒊
𝟐
− 𝟏𝟎) = ⋯𝟒
𝒊=𝟏 (Bobot 5)
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Diketahui: (Bobot 20)
Data: 3, 4, 6, 7
Tentukan:
a. Rata-rata hitung
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b. Rata-rata ukur
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c. Rata-rata harmonis
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d. Rata-rata tertimbang dengan w1 = 1, w2 = 2, w3 = 3 dan w4 = 4
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e. Median
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3. Statistika 2017
Dosen: Herlawati, S.Si, MM, M.Kom Page 3
f. Median jika ditambahkan satu data yaitu 10
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g. Modus
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h. Kuartil ke-3
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i. Desil ke-7
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j. Persentil-60
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Diketahui:
Tabel 2. Data Modal Perusahaan PT. XYZ di Bekasi
Kelas Tepi
Kelas
Bawah
Titik
Tengah
Frekuensi Frekuensi
Kumulatif
Kurang
Dari
10 – 29 22
30 – 49 38
50 – 69 26
70 – 89 19
90 – 109 35
110 –
129
15
130 –
149
45
JUMLAH

4. Statistika 2017
Dosen: Herlawati, S.Si, MM, M.Kom Page 4
Tentukan:
a. Modus dari Tabel 2 tersebut. (Bobot 4)
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b. Median dari Tabel 2 tersebut. (Bobot 4)
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c. Kuartil Ke-3dari Tabel 2 tersebut. (Bobot 4)
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d. Desil ke-6 Tabel 2 tersebut. (Bobot 4)
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e. Persentil ke-45 dari Tabel 2 tersebut. (Bobot 4)
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f. Rata-rata hitung dari Tabel 2 tersebut dengan bantuan tabelnya isilah kolom-
kolomnya untuk menyelesaikannya. (Bobot 10)
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5. Statistika 2017
Dosen: Herlawati, S.Si, MM, M.Kom Page 5
Diketahui:
Kelompok data : 2, 3, 5, 6
Tentukan:
a. Jangkauan/ Range (Bobot 2)
Rumus:
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b. Simpangan Rata-rata (SR) (Bobot 10)
Diketahui: n = ...
Rata-rata hitung =
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Simpangan Rata-rata (SR) =
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c. Variansi (Bobot 5)
Diketahui: n = ...
Rata-rata Hitung = ...
Maka Variansi (S2) = ...
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d. Simpangan Baku (Bobot 3)
Maka simpangan baku (S) = ...
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6. Statistika 2017
Dosen: Herlawati, S.Si, MM, M.Kom Page 6
e. Jangkauan Kuartil (JK) (Bobot 5)
Rumus = ...
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f. Jangkauan Persentil (JP) (Bobot 5)
Rumus = ...
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7. Statistika 2017
Dosen: Herlawati, S.Si, MM, M.Kom Page 7
&&& SELAMAT MENGERJAKAN %%%