Statistics

Statistics

Assessment

Flashcard

Mathematics

9th Grade

Practice Problem

Hard

CCSS
6.SP.B.5C, 7.SP.A.1, 6.SP.B.5A

+1

Standards-aligned

Created by

Wayground Content

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10 questions

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1.

FLASHCARD QUESTION

Front

The sum of the percentages is always:

Back

100%

2.

FLASHCARD QUESTION

Front

15 students out of 20 succeed in Math quiz. The percentage of students who succeed is:

Back

75%

3.

FLASHCARD QUESTION

Front

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

Back

None of choices

4.

FLASHCARD QUESTION

Front

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

Back

All choices

5.

FLASHCARD QUESTION

Front

What is the population of a study where 200 people are surveyed about their favorite football team?

Back

200 people

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

6.

FLASHCARD QUESTION

Front

The grades of 5 students are: 4, 6, 6, 8 and 10. The mean grade is:

Back

6.8

Tags

CCSS.6.SP.B.5C

7.

FLASHCARD QUESTION

Front

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, find x.

Back

20

Tags

CCSS.6.SP.B.5C

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