Curriculum
Course: Mathematics — First Preparatory
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Curriculum

Mathematics — First Preparatory

Unit 1: Numbers

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Unit 2: Algebra

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Unit 3: Statistics

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Unit 4: Geometry

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Quiz

The Arithmetic Mean — Lesson quiz

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  • Questions count: 5
  • Passing grade: 60%
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1.
Find the arithmetic mean of 6, 10, 14 and 8.
9.5
38
9
10
2.
The mean of five numbers is 7, and four of them add up to 26. Find the fifth number.
7
9
35
10
3.
Find the arithmetic mean of 2, 3, 3, 4 and 8.
3
5
4
20
4.
If every value in a set whose mean is 10 increases by 5, what is the new mean?
10
20
5
15
5.
Find the mean of the value 1 with frequency 2 and the value 5 with frequency 2.
3
6
12
2
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