Question

The difference between highest and lowest observation is 20 and coefficient of range is
0.077 then sum of highest and lowest value is​

Answer 1

Answer:

260 is the sum of highest and lowest value.

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Answer 2

The sum of the highest and lowest values is approximately 259.74.

The coefficient of range is defined as the ratio of the difference between the highest and lowest values to the sum of the highest and lowest values.

Mathematically, we can write:

coefficient of range = (highest value - lowest value) / (highest value + lowest value)

We are given that the difference between the highest and lowest observations is 20, so:

highest value - lowest value = 20

We are also given that the coefficient of range is 0.077, so:

0.077 = 20 / (highest value + lowest value)

Multiplying both sides by (highest value + lowest value), we get:

0.077 * (highest value + lowest value) = 20

Dividing both sides by 0.077, we get:

highest value + lowest value = 20 / 0.077

highest value + lowest value = 259.74 (rounded to two decimal places)

Therefore, the sum of the highest and lowest values is approximately 259.74.

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