{"id":516,"date":"2021-04-27T05:21:56","date_gmt":"2021-04-27T05:21:56","guid":{"rendered":"https:\/\/enorcerna.com\/wiki\/what-is\/simple-random-sampling\/"},"modified":"2021-04-27T05:21:56","modified_gmt":"2021-04-27T05:21:56","slug":"simple-random-sampling","status":"publish","type":"post","link":"https:\/\/enorcerna.com\/wiki\/what-is\/simple-random-sampling\/","title":{"rendered":"Simple random sampling"},"content":{"rendered":"<div>\n<h2>What is simple random sampling?<\/h2>\n<p>Simple random sampling is a type of probability sampling in which<strong> all elements of the population have the same probability of being selected<\/strong>.<\/p>\n<p>This system works through a<strong> \"lottery\" method <\/strong>between a universe of individuals, in which <strong>each member is assigned a number to be chosen<\/strong>.<\/p>\n<p>For example, if a sample of 50 people needs to be selected from a universe of 1000, those 1000 people will be assigned a number and, as a lottery, 50 numbers will be randomly selected to make up the required sample.<\/p>\n<p>Said procedure <strong>guarantees that all sample elements have the same probability of being selected<\/strong> to be part of the sample.<\/p>\n<div id=\"attachment_2180\" style=\"width: 610px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" loading=\"lazy\" onload=\"Wpfcll.r(this,true);\" aria-describedby=\"caption-attachment-2180\" loading=\"lazy\" class=\"imagen1 sombra grafico wp-image-2180 size-full\" src=\"https:\/\/enorcerna.com\/wiki\/wp-content\/uploads\/2021\/04\/Simple-random-sampling.jpg\" alt=\"Simple Random Sampling Chart\" width=\"600\" height=\"400\"  data-wpfc-original-\/><\/p>\n<p id=\"caption-attachment-2180\" class=\"wp-caption-text\">Random selection of simple random sampling.<\/p>\n<\/div>\n<h2>Advantages and disadvantages of simple random sampling<\/h2>\n<p>Simple random sampling has both advantages and disadvantages.<\/p>\n<h3>Advantage<\/h3>\n<p>The advantages of simple random sampling are as follows:<\/p>\n<ul>\n<li>It is <strong>simple to assemble the samples.<\/strong><\/li>\n<li><strong>Take the selection fairly <\/strong>of samples from a population.<\/li>\n<li>In general,<strong> all individuals<\/strong> of the population <strong>they have an equal chance of being selected.<\/strong><\/li>\n<li><strong>The population is representative<\/strong>, the only margin of error being luck, called <strong>sampling error.<\/strong><\/li>\n<li>Is he <strong>best method when explaining the results,<\/strong> since its selection is random and impartial.<\/li>\n<li>Due to the representativeness obtained <strong>generalizations can be made regarding the population,<\/strong> from the results of the samples.<\/li>\n<\/ul>\n<h3>Disadvantages<\/h3>\n<p>The disadvantages of simple random sampling are as follows:<\/p>\n<ul>\n<li><strong>A complete list is required<\/strong> of all members of the population.<\/li>\n<li>She is ready <strong>must be properly prepared<\/strong>, complete and updated.<\/li>\n<li>In large populations<strong> it's hard<\/strong> <strong>have the necessary data for this type of sampling,<\/strong> so it is recommended to use another technique.<\/li>\n<\/ul>\n<h2>Examples of simple random sampling<\/h2>\n<p>Let's look at the following example: a consulting firm that performs audits on various organizations <strong>decides to conduct an investigation in a company where 500 employees work<\/strong>.<\/p>\n<p>To carry out this study, the consulting firm must work on a statistical sample of <strong>50 people (10%), <\/strong>so he chooses to use the simple random sampling method, for which he follows the following steps:<\/p>\n<ol>\n<li>List with number the 500 employees of the organization.<\/li>\n<li>Choose 50 numbers at random.<\/li>\n<li>Finally, those 50 numbers that correspond to an employee will be the individuals that make up the sample.<\/li>\n<\/ol>\n<p>In this way, the sample will be formed to carry out the investigation, having granted, to all the employees of the organization, <strong>the same chances of being selected.<\/strong><\/p>\n<\/div>\n\n\n<div class=\"kk-star-ratings kksr-auto kksr-align-center kksr-valign-bottom\"\n    data-payload='{&quot;align&quot;:&quot;center&quot;,&quot;id&quot;:&quot;516&quot;,&quot;slug&quot;:&quot;default&quot;,&quot;valign&quot;:&quot;bottom&quot;,&quot;ignore&quot;:&quot;&quot;,&quot;reference&quot;:&quot;auto&quot;,&quot;class&quot;:&quot;&quot;,&quot;count&quot;:&quot;0&quot;,&quot;legendonly&quot;:&quot;&quot;,&quot;readonly&quot;:&quot;&quot;,&quot;score&quot;:&quot;0&quot;,&quot;starsonly&quot;:&quot;&quot;,&quot;best&quot;:&quot;5&quot;,&quot;gap&quot;:&quot;4&quot;,&quot;greet&quot;:&quot;Rate this post&quot;,&quot;legend&quot;:&quot;0\\\/5 - 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Simple random sampling is a type of&hellip;<\/p>\n","protected":false},"author":1,"featured_media":517,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-516","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-what-is"],"_links":{"self":[{"href":"https:\/\/enorcerna.com\/wiki\/wp-json\/wp\/v2\/posts\/516","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/enorcerna.com\/wiki\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/enorcerna.com\/wiki\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/enorcerna.com\/wiki\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/enorcerna.com\/wiki\/wp-json\/wp\/v2\/comments?post=516"}],"version-history":[{"count":0,"href":"https:\/\/enorcerna.com\/wiki\/wp-json\/wp\/v2\/posts\/516\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/enorcerna.com\/wiki\/wp-json\/wp\/v2\/media\/517"}],"wp:attachment":[{"href":"https:\/\/enorcerna.com\/wiki\/wp-json\/wp\/v2\/media?parent=516"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/enorcerna.com\/wiki\/wp-json\/wp\/v2\/categories?post=516"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/enorcerna.com\/wiki\/wp-json\/wp\/v2\/tags?post=516"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}