PDF chapter test TRY NOW
1. Find the range and coefficient of range of the following data.
S.No | Data | Range | Coefficient of range |
(i) | \(63\), \(89\), \(98\), \(125\), \(79\), \(108\), \(117\), \(68\) | ||
(ii) | \(43.5\), \(13.6\), \(18.9\), \(38.4\), \(61.4\), \(29.8\) |
(Note: Round off the answers to \(2\) decimal places)
2. If the range and the smallest value of a set of data are \(36.8\) and \(13.4\) respectively, then find the largest value.
Answer:
The largest value \(=\)
(Note: Round off the answer to \(1\) decimal place.)
3. Calculate the range of the following data.
Income | \(400 - 450\) | \(450 - 500\) | \(500 - 550\) | \(550 - 600\) | \(600 - 650\) |
Number of workers | \(8\) | \(12\) | \(30\) | \(21\) | \(6\) |
Answer:
Range \(=\)