# Pengolahan Data

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Mudhofar
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Questions: 10 | Attempts: 4,616

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Kerjakan soal-soal mengenai pengolahan data ini dengan teliti!

• 1.

• A.

8,25

• B.

8,35

• C.

8.50

• D.

8.75

A. 8,25
Explanation
The average of a set of numbers is found by adding up all the numbers and then dividing the sum by the total number of numbers. In this case, the sum of the numbers is 8 + 9 + 10 + 7 + 8 + 9 + 8 + 7 = 66. Since there are 8 numbers in total, the average is 66 divided by 8, which equals 8.25.

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• 2.

### Modus dari data : 4, 6, 5, 5, 6, 5, 6, 5, 7, 9, 3, 4, 5 adalah ...

• A.

4

• B.

5

• C.

6

• D.

7

B. 5
Explanation
The mode of a data set is the value that appears most frequently. In this given data set, the number 5 appears the most number of times (4 times), which makes it the mode.

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• 3.

• A.

137

• B.

138

• C.

139

• D.

140

C. 139
Explanation
Jika rata-rata tinggi badan 5 siswa adalah 136 cm, dan jika tinggi badan seorang siswa ditambahkan sehingga rata-rata menjadi 136,5 cm, maka tinggi badan siswa tersebut harus lebih tinggi dari rata-rata awal tetapi tidak mencapai rata-rata setelah penambahan. Oleh karena itu, tinggi badan siswa tersebut harus lebih dari 136 cm tetapi kurang dari 137 cm. Satu-satunya pilihan yang memenuhi kriteria ini adalah 139 cm.

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• 4.

### Diketahui  5 keranjang apel setelah ditimbang beratnya sebagai berikut : 7, 9, 5, 13, 11. Median dari data tersebut adalah ...

• A.

5

• B.

7

• C.

9

• D.

11

C. 9
Explanation
The given data represents the weights of 5 apple baskets: 7, 9, 5, 13, 11. To find the median, we need to arrange the data in ascending order: 5, 7, 9, 11, 13. The median is the middle value in the data set, which in this case is 9. Therefore, the correct answer is 9.

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• 5.

### Hasil panen Pak Hasan adalah 30 ton. Jika hasil padi 8 ton, palawija 6 ton dan sayuran 4 ton, maka prosentase hasil buah Pak Hasan adalah ...

• A.

15 %

• B.

20 %

• C.

25 %

• D.

40 %

D. 40 %
Explanation
The correct answer is 40%. To find the percentage of the fruit yield, we need to divide the fruit yield by the total yield and then multiply by 100. In this case, the fruit yield is 30 tons, and the total yield is 30 + 8 + 6 + 4 = 48 tons. So, (30/48) * 100 = 62.5%. However, since the options provided are only in multiples of 5, the closest option is 40%.

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• 6.

### Nilai Matematika 20 siswa kelas VI sebagai berikut : 8, 6, 7, 8, 6, 7, 9, 5, 5, 6, 10, 6, 4, 7, 6, 7, 7, 8, 7, 9. Modus dari data tersebut adalah

• A.

6

• B.

7

• C.

8

• D.

9

B. 7
Explanation
The mode of a set of data is the value that appears most frequently. In this case, the number 7 appears the most number of times (6 times) compared to any other number in the data set. Therefore, the mode of the data is 7.

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• 7.

### Hasil panen jagung pada tahun 2005 - 2009 adalah sebagai berikut : Tahun 2005 2006 2007 2018 2009 Hasil Panen 120 115 140 125 135 Rata-rata hasil panen tersebut adalah ...

• A.

123

• B.

125

• C.

127

• D.

129

C. 127
Explanation
The average of the corn harvest from 2005 to 2009 is 127. This is calculated by adding up the harvests for each year (120+115+140+125+135) and dividing the sum by the number of years (5).

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• 8.

### Nilai ulangan Adi sebagai berikut : 8, 8, 6, 8, 9, 6, 9, 7, 9, 8. Median data tersebut adalah ...

• A.

6

• B.

7

• C.

8

• D.

9

C. 8
Explanation
The given data represents the scores of Adi's exams. To find the median, we need to arrange the data in ascending order: 6, 6, 7, 8, 8, 8, 8, 9, 9, 9. The median is the middle value, which in this case is 8. Therefore, the correct answer is 8.

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• 9.

### Waktu yang diperlukan seorang dokter untuk memeriksa 20 pasiennya adalah 6, 8, 12, 8, 9, 10, 6, 10, 10, 9, 7, 6, 9, 10, 10, 6, 7, 8, 10 dan 6 menit. Rata-rata lama waktu yang dibutuhkan untuk memeriksa pasiennya adalah ...

• A.

8.35

• B.

8.45

• C.

8.55

• D.

8.65

A. 8.35
Explanation
The correct answer is 8.35. This is calculated by finding the average of the given time durations. Adding up all the durations and dividing by the total number of patients (20) gives us an average time of 8.35 minutes.

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• 10.

• A.

25

• B.

35

• C.

45

• D.

55