In: Statistics and Probability
36, 39, 39, 41, 43, 44, 44, 47, 50, 53, 54, 55, 56, 56, 57, 58, 59, 61, 61, 65, 69, 69, 70, 77
First arrange the data in ascending order ( the given data are already arrange in ascending order)
36, 39, 39, 41, 43, 44, 44, 47, 50, 53, 54, 55, 56, 56, 57, 58, 59, 61, 61, 65, 69, 69, 70, 77
Here,
number of oservations (N) = 24
Now




  
  


Minimum value = 36

  

  


= 44

  



  

  

  

  

  
  
Maximum value = 77