Gupta, C B <br/><br/>
An Introduction to Statistical Methods 

 - 22nd ed 
 - Delhi  Vikas Publishing House 
 - 820p. 
<br/><br/><label>ISBN: </label>8125911103 
<br/><br/><label>Subjects--Index Terms: </label>Probability, Measures of Central Tendency, Graphic Representations, Tests on Large Samples, Index Numbers 
<br/><br/><label>Dewey Class. No.: </label>311.2