Class VI

Radha earns scores 97, 73, 88 and 80 in the exam, then her average score is
  1. 42
  2. 42.25
  3. 42.5
  4. 42.75
The median of the data : 3, 4, 5, 6, 7, 3, 4 is
  1. 5
  2. 3
  3. 4
  4. 6
The number of trees in different parks of a city are 33, 38, 48, 33, 34, 34, 33 and 24 . The mode of this data is 
  1. 24
  2. 34
  3. 33
  4. 48
The difference between the highest and the lowest observations in a data is its
  1. Frequency 
  2. Width 
  3. Range 
  4. Mode 
Which measures of central tendency get affected if the extreme observations on both the ends of a data arranged in descending order are removed ? 
  1. Mean and mode 
  2. Mean and Median 
  3. Mode and Median 
  4. Mean, Median and Mode
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