Statistika

Kelsey has the following data :

17 18 18 15 g 18

If the range is 3, which number could g be?

• 5

• 17

Sophia has the following data :

3 m 10 2 9 12

If the mode is 10, which number could m be?

• 12

• 10

Ronald has the following data:

5 s 2 1 4

If the median is 2, which number could s be?

• 1

• 6

Vincent has the following data :

7 5 19 5 x 5

if the mean is 10, which number could x be?

• 17

• 18

• 19

• 20

Javier has the following data :

3 18 9 3 3 p 16

if the median is 9, which number could p be?

• 10

• 3

Susan has the following data:

10 m 9 9 12 10 10 6

If the mean is 9, which number could m be?

• 5

• 6

• 10

• 12

In the data set below, what are the lower quartile, the median and the upper quartile?

13 13 13 26 34 36 44 57 65 70

• Q1 = 13, Q2 = 34, Q3 = 57

• Q1 = 19,5 , Q2 = 35 dan Q3 = 61

• Q1 = 13, Q2 = 35, Q3 = 57

• Q1 = 13, Q2 = 35 dan Q3 = 63

Nilai rata-rata ulangan matematika dari siswa laki-laki adalah 7, 2, sedangkan siswa perempuan 6. Jika nilai rata-rata seluruhnya adalah 6, 5. Tentukan perbandingan banyak siswa laki-laki dan perempuan

• 7 : 5

• 5 : 7

• 6 : 7

• 7 : 6

Jangkauan antarkuartil dari data

7 5 6 6 8 3 4

• 3

• 4

• 5

• 6

Rata-rata berat badan 8 anak adalah 45 kg. Jika Andi bergabung, maka rat-rata berat badan menjadi 46 kg. Berat Andi adalah...

• 54 kg

• 50 kg

• 32 anak

• 36 anak