Hirsch, Werner Z. <br/><br/>
Introduction to modern statistics  with applications to business and economics 

 - New York  Macmillan  1957 
 - xiv.429p 
<br/><br/><label>Subjects--Index Terms: </label>Arithmetic mean 
<br/><br/><label>Dewey Class. No.: </label>519.5  / HIR