What are Dummy Variables?

&NewLine;<&excl;-- WP QUADS Content Ad Plugin v&period; 2&period;0&period;95 -->&NewLine;<div class&equals;"quads-location quads-ad1" id&equals;"quads-ad1" style&equals;"float&colon;left&semi;margin&colon;0px 0px 0px 0&semi;">&NewLine;&NewLine;<&sol;div>&NewLine;<&sol;blockquote>&NewLine;<p align&equals;"justify">Similarly in case of the treatment group the variable Z came up with the value 1 with the possibilities of errors are considered to be zero then the equation is&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi; <&sol;p>&NewLine;<blockquote>&NewLine;<p align&equals;"justify"><strong>y<sub>t<&sol;sub> &equals;B<sub>o<&sol;sub>&plus;B<sub>1<&sol;sub><&sol;strong><&sol;p>&NewLine;<&sol;blockquote>&NewLine;<p align&equals;"justify">Now the solution for the B1 is examined which is the difference between the two groups so by subtracting the values for both the groups the concluded equation is<br &sol;>&NewLine;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi;&&num;160&semi; <&sol;p>&NewLine;<blockquote><p> <strong>y<sub>t<&sol;sub> -y<sub>c <&sol;sub>&equals; B<sub>0<&sol;sub><&sol;strong><&sol;p>&NewLine;<&sol;blockquote>&NewLine;<p align&equals;"justify">So the multiple variables are stated in the single equation with the use of dummy variables&period; Almost in all the cases of the dummy variables&comma; they are used to represent different sub group equations&period; They are used as stated in the following two cases&period; &lbrack;linkunit&rsqb;<&sol;p>&NewLine;<p align&equals;"justify">• Finding and evaluating the difference of values of the multiple groups by stating their values in the different equations&period; <&sol;p>&NewLine;<p align&equals;"justify">• Formation of the separate equations for an each individual group by replacing the dummy variables&period; <&sol;p>&NewLine;<h2>References<&sol;h2>&NewLine;<p align&equals;"justify">• Keisler&comma; H&period;J&period; and Robbin&comma; J&period;&comma; &lpar;1996&rpar;&comma; Mathematical Logic and Computability&period;<br &sol;>&NewLine;• Trochim&comma; W&period;M&period;K &lpar;2006&rpar;&comma; Dummy Variables&period; &OpenCurlyDoubleQuote;Research Methods the knowledge base”&period; <&sol;p>&NewLine;<&excl;-- WP QUADS Content Ad Plugin v&period; 2&period;0&period;95 -->&NewLine;<div class&equals;"quads-location quads-ad2" id&equals;"quads-ad2" style&equals;"float&colon;none&semi;margin&colon;0px 0 0px 0&semi;text-align&colon;center&semi;">&NewLine;&NewLine;<&sol;div>&NewLine;&NewLine;<&excl;-- WP QUADS Content Ad Plugin v&period; 2&period;0&period;95 -->&NewLine;<div class&equals;"quads-location quads-ad3" id&equals;"quads-ad3" style&equals;"float&colon;none&semi;margin&colon;0px&semi;">&NewLine;&NewLine;<&sol;div>&NewLine;&NewLine;