TR 1 Statistik Devi [PDF]

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Nama



: Devi Lady M Tampubolon



NIM



: 3181131016



Mata Kuliah : Statistik



Nilai hasil ujian mata kuliah statistik kelas perhotelan sebagai berikut : 27 53 70 57 27 65



79 44 44 44 48 65



69 93 61 73 62 70



40 51 55 55 55 80



51 65 65 65 65 88



88 88 80 81 73 87



27 65 65 65 45 83



70 70 93 65 48 83



81 85 85 91 90 65



31 30 45 33 32 65



Jawab : a. Distribusi Frekuensi Tertimbang Nilai hasil ujian mata kuliah statistik kelas perhotelan Nilai 27 30 31 32 33 40 44 45 48 51 53 55 57 61



Tally III I I I I I III II II II I III I I



Frekuensi 3 1 1 1 1 1 3 2 2 2 1 3 1 1



Nilai 62 65 69 70 73 79 80 81 83 85 87 88 90 91 93



Tally I IIII IIII II I IIII II I II II II II I III I I II Jumlah



Frekuensi 1 12 1 4 2 1 2 2 2 2 1 3 1 1 2 60



b. Distribusi Frekuensi Bergolong Nilai hasil ujuan mata kuliah statistik kelas perhotelan 27



27



27



30



31



32



33



40



44



44



44 55 65 70 85



45 57 65 73 85



45 61 65 73 87



48 62 65 79 88



48 65 65 80 88



51 65 65 80 88



51 65 69 81 90



K = 1 + 3,322.log n = 1 + 3,322 . log 60 = 1 + 3,322 (1,778) = 1 + 5,907 = 6,90 =7







Nilai minimum 27







Nilai maksimum 93



R = 93-27 = 66 i ¿



R +1 K



i=



66 +1 7



= 9,42 +1 = 10,42 =10



Nilai 27-36 37-46 47-56 57-66 67-76 77-86



Banyak Mahasiswa (f) 7 6 8 15 7 9



53 65 70 81 91



55 65 70 83 93



55 65 70 83 93



87-96 Jumlah



8 60