Wortham, A.W [et.al] <br/><br/>
Practical statistics in experimental design. Methods applications / A. w. Wortham, T. E. Smith 

 - 1 
 - Estados Unidos de America: Dallas Publishing House  1959 
 - 128 P. 
<br/><br/>Content, graphics, table, analytical index 
<br/><br/> Parameters and statistics, arithmetic mean,mode, midian, range, variance, deegrees of freedom, variance calculation, standard deviantion; ordering the data, histogram, frequency polygon, cumulative frequency polygon; derived distributions, confidence limits, pair data experiments, to groupp experiment. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>1. STATISTICS 2. PRACTICAL STATISTICS 3. ADMINISTRATION
<br/><br/><label>Universal Decimal Class. No.: </label>310 W919