Question

Q: The range of the observations 5, -5, -10, 10 is
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Answer 1

Range is the highest value-lowest value

highest value=10

lowest value=-10

10-(-10)=10+10=20

so the range of the data=20

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Answer 2

The range of the observations 5 , - 5 , - 10 , 10 is 20

Given :

The observations 5 , - 5 , - 10 , 10

To find :

Range of the observations

Solution :

Step 1 of 3 :

Write down the given observations

Here the given observations are 5 , - 5 , - 10 , 10

Step 2 of 3 :

Find maximum value and minimum value

Maximum value = 10

Minimum value = - 10

Step 3 of 3 :

Find range of the observations

We know that for a given set of observations range is defined as the difference between maximum value and minimum value of the observations

So the required range of the observations

= Maximum value - Minimum value

= 10 - ( - 10 )

= 10 + 10

= 20

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