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Data berikut merupakan nilai ujian Mata Kuliah Pengantar Statistika Bisnis dari 34 Mahasiswa




71
75
57
88
64
80
75
82
90


68
90
88
71
75
71
81
81
48


82
72
62
68
74
79
84
75
57


75
75
68
65
68
75
80






1.Buatkan tabel distribusi frekuensi
2.Buatkan tabel distribusi frekuensi kumulatifnya

Data berikut merupakan nilai ujian Mata Kuliah Pengantar Statistika Bisnis dari 3434 Mahasiswa\newline\begin{tabular}{lllllllll}\newline7171 & 7575 & 5757 & 8888 & 6464 & 8080 & 7575 & 8282 & 9090 \\\newline6868 & 9090 & 8888 & 7171 & 7575 & 7171 & 8181 & 8181 & 4848 \\\newline8282 & 7272 & 6262 & 6868 & 7474 & 7979 & 8484 & 7575 & 5757 \\\newline7575 & 7575 & 6868 & 6565 & 6868 & 7575 & 8080 & &\newline\end{tabular}\newline11.Buatkan tabel distribusi frekuensi\newline22.Buatkan tabel distribusi frekuensi kumulatifnya

Full solution

Q. Data berikut merupakan nilai ujian Mata Kuliah Pengantar Statistika Bisnis dari 3434 Mahasiswa\newline\begin{tabular}{lllllllll}\newline7171 & 7575 & 5757 & 8888 & 6464 & 8080 & 7575 & 8282 & 9090 \\\newline6868 & 9090 & 8888 & 7171 & 7575 & 7171 & 8181 & 8181 & 4848 \\\newline8282 & 7272 & 6262 & 6868 & 7474 & 7979 & 8484 & 7575 & 5757 \\\newline7575 & 7575 & 6868 & 6565 & 6868 & 7575 & 8080 & &\newline\end{tabular}\newline11.Buatkan tabel distribusi frekuensi\newline22.Buatkan tabel distribusi frekuensi kumulatifnya
  1. Sort scores: First, let's sort the scores in ascending order to make it easier to create the frequency distribution table.\newlineSorted scores: 48,57,57,62,64,65,68,68,68,71,71,71,72,74,75,75,75,75,75,75,75,79,80,80,81,81,82,82,84,88,88,90,9048, 57, 57, 62, 64, 65, 68, 68, 68, 71, 71, 71, 72, 74, 75, 75, 75, 75, 75, 75, 75, 79, 80, 80, 81, 81, 82, 82, 84, 88, 88, 90, 90.
  2. Decide class intervals: Now, let's decide on the class intervals. We can use a range of 1010, starting from 5050 and ending at 9090.\newlineClass intervals: 505950-59, 606960-69, 707970-79, 808980-89, 909990-99.
  3. Count frequencies: Count the number of scores in each class interval to create the frequency distribution table.\newlineFrequency distribution:\newline505950-59: 22\newline606960-69: 66\newline707970-79: 1313\newline808980-89: 99\newline909990-99: 44
  4. Create cumulative frequencies: Next, we'll create the cumulative frequency distribution table by adding the frequencies of each class interval to the previous cumulative frequency.\newlineCumulative frequency distribution:\newline505950-59: 22\newline606960-69: 2+6=82 + 6 = 8\newline707970-79: 8+13=218 + 13 = 21\newline808980-89: 21+9=3021 + 9 = 30\newline909990-99: 30+4=3430 + 4 = 34

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