Have an account?
Skip to Content
10 questions
Show Answers
See Preview
- Multiple ChoicePlease save your changes before editing any questions.
The sum of the percentages is always:
100%
50%
None of choices
- Multiple ChoicePlease save your changes before editing any questions.
15 students out of 20 succeed in Math quiz. The percentage of students who succeed is:
25%
0.75
75%
None of choices
- Multiple ChoicePlease save your changes before editing any questions.
Among the following characters, the qualitative one is:
Grades of students in a Math test
Salaries of employees
Number of children of each family
None of choices
- Multiple ChoicePlease save your changes before editing any questions.
Among the following characters, the quantitative one is:
Grades of students in a Math test
Salaries of employees
Number of children of each family
All choices
- Multiple ChoicePlease save your changes before editing any questions.
200 people are surveyed about their favorite football team. The population of this study is:
Favorite football team
1 people
200 people
Spain, Brazil and Germany
- Multiple ChoicePlease save your changes before editing any questions.
The grades of 5 students are: 4, 6, 6, 8 and 10. The mean grade is:
5
6.8
7.2
10
- Multiple ChoicePlease save your changes before editing any questions.
The scores of a student in five tests: 10; 8; 13; x and 9.
Knowing that the average (mean) of these five scores is 12, then x =
12
14
18
20
- Fill in the BlankPlease save your changes before editing any questions.
During a test, the grades of students of a class are given in the following statistical table:
What is the number of students of this class?
- Multiple ChoicePlease save your changes before editing any questions.
200 people are surveyed about their favorite football team. The following table represents the result of this survey.
a = 35 b = 15 c = 70 d = 20
a = 70 b = 20 c = 35 d = 15
a = 20 b = 70 c = 35 d = 15
a = 70 b = 20 c = 35 d = 15
- Fill in the BlankPlease save your changes before editing any questions.
During a test, the grades of students of a class are given in the following statistical table:
What is the mean grade of this class?