Data Handling

Sania recorded her scores on weekly Math quizzes.

Her scores were as follows:

5, 8, 6, 6, 6, 5, 6, 7, 7, 8.

The median of her scores on the weekly math quizzes is ….

• 5

• 6

• 6,5

• 7

Look at a set of the following data..

85, 90, 80, 75, 70, 80, 80, 100, 75, 65

Find the mean of the data.

• 78

• 79

• 80

• 81

A class consists of 42 students. 7 students like drawing, 12 students like dancing, 10 students like painting, and the rest students like singing.

Find the mode of the data above.

• drawing

• singing

• dancing

• painting

The median of the data is ....

• 80

• 85

• 90

• 95

The mean of cakes sales every day is ….

• 36

• 37

• 38

• 39

In a test, Ken, Harry and Sarah scored an average of 75 marks.

Ken obtained 80 marks and Sarah obtained 72 marks.

Harry obtained … marks.

• 72

• 73

• 74

• 75

The average weight of a group of 9 people was 50 kg.

A man joined the group. Now, the average weight of the group is 51 kg.

The weight of the man is … kg.

• 55

• 60

• 65

• 70

The total audiences is 200 people. The most favorite movie is …

• Action

• Romance

• Drama

• Comedy

The followings are the score of 5 tests.

90 ; B ; 80 ; 97 ; 77

If the average of those scores is 86, the value B is…

• 84

• 85

• 86

• 87

The average of Tina’s money and Gita’s money is Rp50.000,00.

Tina has Rp10.000,00 more than Gita. How much money does Tina have?

• 40.000

• 45.000

• 50.000

• 55.000