{"id":5369,"date":"2019-02-14T09:34:05","date_gmt":"2019-02-14T04:04:05","guid":{"rendered":"http:\/\/astan.lk\/al_virtualclassroom\/?p=5369"},"modified":"2019-02-16T09:59:02","modified_gmt":"2019-02-16T04:29:02","slug":"uses-graphs-and-equations-for-market-analysis","status":"publish","type":"post","link":"https:\/\/astan.lk\/al_virtualclassroom\/uses-graphs-and-equations-for-market-analysis\/","title":{"rendered":"Uses graphs and equations for market analysis."},"content":{"rendered":"<p><strong>Any dynamic phenomenon could be identified as a variable<\/strong><\/p>\n<ul>\n<li>Economics studies the relationship of the economic variables<\/li>\n<li>Various relationships exists among the variables<\/li>\n<li>Any variable initiated to change the other variable is known as independent variable.<\/li>\n<li>Changes that have taken place due to the changes of the independent variable is called<br \/>\nthe dependent variable<\/li>\n<li>In accordance with the behavior of the independent variable ,the quantity of production<br \/>\nand consumption could be shown by using a schedule.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>If X is considered as the independent variable and Y as the dependent variable , changes of Y on X could be shown on a straight line in a graph as follows<br \/>\n<a class=\"fancybox\" href=\"http:\/\/astan.lk\/al_virtualclassroom\/wp-content\/uploads\/2017\/01\/Untitled-1gr.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-5611 size-medium\" src=\"http:\/\/astan.lk\/al_virtualclassroom\/wp-content\/uploads\/2017\/01\/Untitled-1gr-300x199.jpg\" alt=\"Untitled-1gr\" width=\"300\" height=\"199\" \/><\/a><\/p>\n<ul>\n<li>By drawing the impact of the above variables in a diagram, AB straight line could be<br \/>\nderived<\/li>\n<li>Relationship between the independent and dependent variables related to the straight line<br \/>\ncould be written as an equation such as:<\/li>\n<\/ul>\n<p><strong> Y= mx+ c<\/strong><br \/>\nY = mx + c in the equation, Y = dependent variable, X = independent variable<br \/>\nM = gradient\/ slope, C = intercept<\/p>\n<p>When there is a positive relationship between the independent variable and the dependent variable, the graph has a positive slope and this can be shown as follows.<\/p>\n<p><a class=\"fancybox\" href=\"http:\/\/astan.lk\/al_virtualclassroom\/wp-content\/uploads\/2017\/01\/Untitled-1fgtr.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-5614\" src=\"http:\/\/astan.lk\/al_virtualclassroom\/wp-content\/uploads\/2017\/01\/Untitled-1fgtr.jpg\" alt=\"Untitled-1fgtr\" width=\"216\" height=\"109\" \/><\/a><br \/>\nWhen there is a negative relationship between independent variable and the dependent<br \/>\nvariable, the graph shows a negative slope as follows.<\/p>\n<p><a href=\"http:\/\/astan.lk\/al_virtualclassroom\/wp-content\/uploads\/2017\/01\/Untitled-2nhh.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"fancybox aligncenter wp-image-5615 size-medium\" src=\"http:\/\/astan.lk\/al_virtualclassroom\/wp-content\/uploads\/2017\/01\/Untitled-2nhh-300x215.jpg\" alt=\"Untitled-2nhh\" width=\"300\" height=\"215\" \/><\/a><br \/>\nThe ratio of the differences in independent variable and the dependent variable is the slope or gradient of the line and it could be computed as follows<\/p>\n<p>Gradient\/slope(b) = Difference in the horizontal axis \/ Difference in the vertical axis<br \/>\nThe equation of a straight line : Y =a+ bx is applied in economics in this equation:<br \/>\nY = dependent variable<br \/>\na = Intercept<br \/>\nb =Gradient\/ slope<br \/>\nx = Independent Variable<\/p>\n<p>Slope of a straight line is constant<\/p>\n<ul>\n<li>When the independent variable is Zero (0) the value given to the dependent variable is called the intercept (a)<\/li>\n<li>If the independent and dependent variable of a straight-line, are given the above equation could be developed,<\/li>\n<li>When the simple equation has been given the graph can be developed from it.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Any dynamic phenomenon could be identified as a variable Economics studies the relationship of the economic variables Various relationships exists among the variables Any variable initiated to change the other variable is known as independent variable. Changes that have taken place due to the changes of the independent variable is called the dependent variable In [&hellip;]<\/p>\n","protected":false},"author":842,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[54,2681],"tags":[],"class_list":["post-5369","post","type-post","status-publish","format-standard","hentry","category-economics","category-unit-2-en"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Uses graphs and equations for market analysis. - Learning &amp; Education Portal<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/astan.lk\/al_virtualclassroom\/uses-graphs-and-equations-for-market-analysis\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Uses graphs and equations for market analysis. - Learning &amp; Education Portal\" \/>\n<meta property=\"og:description\" content=\"Any dynamic phenomenon could be identified as a variable Economics studies the relationship of the economic variables Various relationships exists among the variables Any variable initiated to change the other variable is known as independent variable. 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