HotelInfantesAgres - Tempat Tanya Jawab Pelajaran & Ilmu Pengetahuan Logo

In Matematika / Sekolah Menengah Atas | 2025-07-11

Nilai hasil ujian mata kuliah statistik kelas Perhotelan adalah sebagai berikut 27 79 69 40 51 88 27 70 81 31 53 44 93 51 65 88 65 70 85 30 70 44 61 55 65 80 65 93 85 45 57 44 73 55 65 81 65 65 91 33 27 48 62 55 65 73 45 48 90 32 65 65 70 80 88 87 83 83 65 65 a. Rubahlah data dari hasil ujian diatas menjadi distribusi frekuensi tertimbang agar mudah dipahami

Asked by ruliadiwinata46

Answer (3)

Answer is in the attachment below.

Answered by Anonymous | 2024-06-10

The square roots of 1.44 are 1.2 and -1.2. We calculated this by taking the square root of 1.44, which is 1.2, and considering both the positive and negative values. This gives us the complete solution of ±1.2.
;

Answered by Anonymous | 2024-11-07

Jawab:Penjelasan dengan langkah-langkah:To create a weighted frequency distribution from the given exam scores, first, count the occurrences of each unique score (frequency). Then, multiply each frequency by its corresponding score to get the weighted score. Finally, sum the weighted scores and divide by the total number of scores to find the weighted average. Here's how to do it with the provided data: 27 79 69 40 51 88 27 70 81 31 53 44 93 51 65 88 65 70 85 30 70 44 61 55 65 80 65 93 85 45 57 44 73 55 65 81 65 65 91 33 27 48 62 55 65 73 45 48 90 32 65 65 70 80 88 87 83 83 65 65. 1. Identify unique scores:27, 30, 31, 32, 33, 40, 44, 45, 48, 51, 53, 55, 57, 61, 62, 65, 69, 70, 73, 79, 80, 81, 83, 85, 87, 88, 90, 91, 93.2. Count frequencies:27: 330: 231: 132: 233: 140: 144: 345: 248: 251: 253: 155: 357: 161: 162: 165: 1069: 170: 573: 279: 180: 281: 283: 285: 287: 188: 390: 191: 193: 23. Calculate weighted scores:Multiply each frequency by its corresponding score. For example, for score 27, the weighted score is 27 * 3 = 81.4. Sum the weighted scores:Add all the weighted scores from step 3.5. Calculate the weighted average:Divide the sum of weighted scores (from step 4) by the total number of students (which is 60).This process will result in a table or a calculation showing the weighted frequency distribution of the exam scores. The weighted average will give you a single representative value for the overall performance in the class.

Answered by sabarish1305 | 2025-07-12