Hogg, Robert V. <br/><br/>
Introduction to mathematical statistics 
Robert V. Hogg and Allen T. Craig 
 - 2nd ed. 
 - New York  MacMillan  1965 
 - x, 438 p. : ill. ; 24 cm. 
<br/><br/>p. 421-422 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematical statistics