<p>Experimental design is a scientific approach to data collection and measurements.</p><p>The concept focuses on creating a intervention in a controlled environment with the purpose of establishing a realationship between the independent or dependent variables.</p><p>Experimental design are used to study casual relationship .</p><p>You manupulate one or more independent variables and measure their effect on one or more dependent variables. </p><p>Experimental design about three types are following below:</p><p>RCBD( randomized complete block design ) </p><p>CRD( complete randomized design )</p><p>LSD(latin square design). </p><p>These design are row , columns are include .</p><p>Any data row and column wise selected then applying this designs .</p><p>Lastly this design are implement the testing .like hypothesis testing .</p><p>Null hypothesis and Alternative hypothesis.</p><p> </p><p> </p>