PDF chapter test TRY NOW

1. Find the range and coefficient of range of the following data.
 
S.NoDataRangeCoefficient 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 \(=\)