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  • Choose the range and co-efficient of the range of the following data: 63, 89, 98, 125, 79, 108, 117, 68.Option: 1 R = 61, COR = 0

Choose the range and co-efficient of the range of the following data: 63, 89, 98, 125, 79, 108, 117, 68.

Option: 1

R = 61, COR = 0.22
 


Option: 2

R = 62, COR = 0.33


Option: 3

R = 61, COR = 0.33

 


Option: 4

R = 62, COR = 0.22


Answers (1)

best_answer

The correct answer is b) R = 62, COR = 0.33

Let us arrange the given data in ascending order: 63, 68, 79, 89, 98, 108, 117, and 125.

Largest value, L = 125

Smallest value, S = 63

Range = L - S = 125 - 63 = 62

Co-efficient of range (COR) \mathrm{= \frac{L-S}{L+S}}

 

\mathrm{ =\frac{125-63}{125+63}}

\mathrm{={\frac{62}{188}}{} }

=0.33

 

 

Posted by

Irshad Anwar

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