Calculate the range 20, -6, 25, 30, 21, 28, 32, 33, 34, 5, 3, 2, 1

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QuizTablet Community! • A. 33
• B. 32
• C. 36
• D. 40

D

SOLUTION…

The range of a set of numbers is the difference between the lowest and highest numbers.

Range = highest number – lowest number

Highest number = 34

Lowest number = -6

Range = 34 – (-6) = 34 + 6 = 40

Now for the right answer to the above question:

1. Option A is incorrect.
2. Option B is incorrect.
3. C is incorrect.
4. D is the correct answer.

KEY-POINTS…

• To find the range of a set of numbers, locate the highest and lowest numbers, and then subtract the lowest number from the highest.
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/ culled from 2016 JAMB-UTME mathematics question 15 /

Calculate the range 20, -6, 25, 30, 21, 28, 32, 33, 34, 5, 3, 2, 1 » QuizTablet 