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- Multiple ChoicePlease save your changes before editing any questions.
**The sum of the percentages is always:****100%**$360^o$

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

$e\ =\ 108^o$ $f\ =\ 72^o$ $g\ =\ 54^o$a = 70 b = 20 c = 35 d = 15

$e\ =\ 54^o$ $f\ =\ 72^o$ $g\ =\ 180^o$a = 20 b = 70 c = 35 d = 15

$e\ =\ 72^o$ $f\ =\ 180^o$ $g\ =\ 54^o$a = 70 b = 20 c = 35 d = 15

$e\ =\ 108^o$ $f\ =\ 72^o$ $g\ =\ 54^o$ - 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?**