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Statistika 2017 Dosen: Herlawati, S.Si, MM, M.Kom
- 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? ____________________________________________________________________. 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) ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ Tentukan ∑ (𝒀𝒊 𝟐 − 𝟏𝟎) = ⋯𝟒 𝒊=𝟏 (Bobot 5) ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ Diketahui: (Bobot 20) Data: 3, 4, 6, 7 Tentukan: a. Rata-rata hitung _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ b. Rata-rata ukur _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ c. Rata-rata harmonis _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ d. Rata-rata tertimbang dengan w1 = 1, w2 = 2, w3 = 3 dan w4 = 4 _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ e. Median _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________
- 3. Statistika 2017 Dosen: Herlawati, S.Si, MM, M.Kom Page 3 f. Median jika ditambahkan satu data yaitu 10 _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ g. Modus _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ h. Kuartil ke-3 _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ i. Desil ke-7 _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ j. Persentil-60 _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ 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) _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ b. Median dari Tabel 2 tersebut. (Bobot 4) _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ c. Kuartil Ke-3dari Tabel 2 tersebut. (Bobot 4) _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ d. Desil ke-6 Tabel 2 tersebut. (Bobot 4) _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ e. Persentil ke-45 dari Tabel 2 tersebut. (Bobot 4) _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ f. Rata-rata hitung dari Tabel 2 tersebut dengan bantuan tabelnya isilah kolom- kolomnya untuk menyelesaikannya. (Bobot 10) _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________
- 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: _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ b. Simpangan Rata-rata (SR) (Bobot 10) Diketahui: n = ... Rata-rata hitung = _____________________________________________________________________ _____________________________________________________________________ Simpangan Rata-rata (SR) = _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ c. Variansi (Bobot 5) Diketahui: n = ... Rata-rata Hitung = ... Maka Variansi (S2) = ... _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ d. Simpangan Baku (Bobot 3) Maka simpangan baku (S) = ... _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________
- 6. Statistika 2017 Dosen: Herlawati, S.Si, MM, M.Kom Page 6 e. Jangkauan Kuartil (JK) (Bobot 5) Rumus = ... _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ f. Jangkauan Persentil (JP) (Bobot 5) Rumus = ... _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________
- 7. Statistika 2017 Dosen: Herlawati, S.Si, MM, M.Kom Page 7 &&& SELAMAT MENGERJAKAN %%%