Question

If the observations of a variable X are, -4, -20, -30, -44
and -36, then the value of the range will be:​

Answer 1

Answer:

Range = Highest - Lowest

= -4 - (-44)

= 40

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Answer 2

Range of the observations = 40

Given :

The observations of a variable X are - 4 , - 20 , - 30 , - 44 and - 36

To find :

Range of the observations

Solution :

Step 1 of 3 :

Write down the observations

Here it is given that the observations of a variable X are - 4 , - 20 , - 30 , - 44 and - 36

Step 2 of 3 :

Find maximum value and minimum value

Maximum value = - 4

Minimum value = - 44

Step 3 of 3 :

Find range of the data set

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

= - 4 - ( - 44 )

= - 4 + 44

= 40

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