Answer: Standard Deviation.
Step-by-step explanation:
DescriptionIn insights, the standard deviation is a proportion of the measure of variety or scattering of a lot of qualities. A low standard deviation demonstrates that the qualities will in general be near the mean of the set, while an elevated expectation deviation shows that the qualities are spread out over a more extensive territory.
Step-by-step explanation:
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Answer: Work done by both of them in k hours is

Explanation:
Since we have given that
Number of hours Mr. I does a job = x hours
Number of hours Mr. L does a job = y hours
Work done by Mr. I is given by

Work done by Mr. L is given by

Work done if they do together is given by

Work done if they work together for k hours is given by

Hence, work done by both of them in k hours is

Answer:

Step-by-step explanation:
The value in 
The value in 
The value in 