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T4 Bab 8 Sukatan Serakan Data Tak Terkumpul

Authored by TING Moe

Mathematics

7th - 10th Grade

Used 11+ times

T4 Bab 8 Sukatan Serakan Data Tak Terkumpul
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7 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Data di bawah menunjukkan suhu di Malaysia yang dicatatkan selama 10 hari.

 33°C, 35°C, 31°C, 32°C, 35°C33\degree C,\ 35\degree C,\ 31\degree C,\ 32\degree C,\ 35\degree C  
 36°C, 37°C, 34°C, 33°C, 32°C36\degree C,\ 37\degree C,\ 34\degree C,\ 33\degree C,\ 32\degree C  
Cari beza suhu bagi data tersebut. [TP1]

4

5

6

7

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Diberi set data 104, 107, 101, 124, 119, 106 dan 113. Hitung julatnya. [TP2]

23

20

18

9

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 12, 4, 6, 18, 9, 16, 2, 1412,\ 4,\ 6,\ 18,\ 9,\ 16,\ 2,\ 14  
Cari julat antara kuartil bagi set data di atas. [TP2]

12

11

10

9

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 0.5, 0.47, 0.9, 1.0, 1.40.5,\ 0.47,\ 0.9,\ 1.0,\ 1.4  
Hitung varians bagi data di atas. [TP3]

3.541

2.917

0.345

0.119

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Hitung sisihan piawai bagi data 15, 17, 21, 24 dan 31. [TP3]

31.84

21.836

16.163

5.643

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Varians bagi suatu data ialah 4.6. Hitung varians baharu jika setiap cerapan dalam set data tersebut didarab dengan 3. [TP4]

13.4

13.8

41.4

41.8

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Suatu set data mengandungi 6 nombor. Min dan varians bagi nombor-nombor itu masing-masing ialah 10.5 dan 9.75. Hitung nilai  Σx2\Sigma x^2  .
[TP4]

120

360

480

720

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