Statistika -Perubahan Data
Quiz
•
Mathematics
•
12th Grade
•
Practice Problem
•
Medium
Meity Setiawan
Used 8+ times
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12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hasil suatu ujian yang diikuti oleh 40 mahasiswa menunjukan nilai rata-rata 45. Karena terlalu rendah, setiap nilai pengamatan ditambah 15. Maka nilai rata-ratanya sekarang menjadi ... .
15
30
45
60
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hasil suatu ujian yang diikuti oleh 40 mahasiswa menunjukan nilai simpangan baku 8. Jika setiap nilai pengamatan ditambah 15, maka nilai simpangan baku menjadi ... .
7
8
15
23
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hasil suatu ujian yang diikuti oleh 40 mahasiswa menunjukan nilai median 51. Karena terlalu rendah, setiap nilai pengamatan ditambah 15 maka nilai mediannya menjadi ... .
15
36
51
66
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hasil suatu ujian yang diikuti oleh 40 mahasiswa menunjukan nilai jangkauan 40. Karena terlalu rendah, setiap nilai pengamatan ditambah 15, maka jangkauan nilainya sekarang ... .
15
25
40
55
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hasil suatu data menunjukan nilai rata-rata 45 000. untuk mempermudah perhitungan setiap nilai pengamatan dibagi 1000. Maka rata-rata setelah diubah menjadi ... .
45
450
4500
45 000
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Hasil suatu data menunjukan nilai ragam 2000. untuk mempermudah perhitungan setiap nilai pengamatan dibagi 1000. Maka nilai ragam setelah diubah menjadi ... .
0,002
0,2
2
2000
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Hasil suatu data yang telah dikali 2 menunjukan nilai kuartil bawah 30. Nilai kuartil bawah sebelum diubah adalah ... .
10
15
30
60
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