Statistika (mencari rata-rata)

What is the average of the following numbers: 5, 10, 15, 20?

• 15

• 10

• 20

• 12.5

Calculate the average score of a student who received the following grades: 80, 85, 90, 75, 95.

• 85

• 91

• 82

• 88

If the ages of five friends are 18, 20, 22, 19, and 21, what is their average age?

• 21

• 19

• 22

• 20

Find the average of these temperatures recorded over a week: 30°C, 32°C, 31°C, 29°C, 28°C.

• 28°C

• 30°C

• 29°C

• 31°C

A class has the following heights (in cm): 150, 160, 155, 165, 170. What is the average height?

• 170 cm

• 165 cm

• 155 cm

• 160 cm

What is the average of the following test scores: 70, 75, 80, 85, 90?

• 75

• 90

• 80

• 85

If a student scores 60, 70, 80, and 90 in four exams, what is their average score?

• 75

• 90

• 80

• 70

Calculate the average of the following weights (in kg): 50, 55, 60, 65, 70.

• 65

• 55

• 60

• 70

The following numbers represent the number of books read by students: 3, 4, 5, 2, 6. What is the average number of books read?

• 2

• 5

• 3

• 4

What is the average of the following distances (in km): 10, 15, 20, 25, 30?

• 30 km

• 15 km

• 20 km

• 25 km