{"id":2368,"date":"2019-06-26T06:20:13","date_gmt":"2019-06-26T06:20:13","guid":{"rendered":"https:\/\/prwatech.in\/blog\/?p=2368"},"modified":"2024-03-27T10:59:23","modified_gmt":"2024-03-27T10:59:23","slug":"z-score-tutorial","status":"publish","type":"post","link":"https:\/\/prwatech.in\/blog\/data-science\/data-science-modules\/z-score-tutorial\/","title":{"rendered":"Z- Score"},"content":{"rendered":"<h1 style=\"text-align: center;\">Z- Score tutorial<\/h1>\n<p>&nbsp;<\/p>\n<p><strong>Z- Score tutorial,\u00a0<\/strong>welcome to the world of Z- score tutorial in <a href=\"https:\/\/prwatech.in\/data-science-training-institute-in-bangalore\/\">Data Science<\/a>. In this tutorial, one can learn about introduction of Z- score in data science with example. Are you the one who is looking forward to knowing the Z- score in Data science which comes under probability? Or the one who is very keen to explore the Z- score with examples that are available? Then you\u2019ve landed on the right path which provides advanced <a href=\"https:\/\/prwatech.in\/data-science-training-institute-in-bangalore\/\">Data Science training<\/a> where all in-depth concepts will cover.<\/p>\n<p>If you are the one who is keen to learn the Data Science course from the best <a href=\"https:\/\/prwatech.in\/data-science-training-institute-in-bangalore\/\">Data Science training institute in Bangalore<\/a> who can help guide you about the course from the 0 Level to Advanced level. So don\u2019t just dream to become the certified Pro Data Scientist. Achieve it by choosing the best World classes <a href=\"https:\/\/prwatech.in\/data-science-training-institute-in-bangalore\/\">Data Science training institute<\/a> which consists of world-class trainers.<\/p>\n<p>&nbsp;<\/p>\n<h2>Z Score in Data Science<\/h2>\n<p>&nbsp;<\/p>\n<p>A z-score indicates how many standard deviations a particular data point is from the mean of the data i.e.<\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li>z-score of 1 means data point is One Standard Deviation from the Mean<\/li>\n<li>z-score of 2 means data point is Two Standard Deviation from the Mean.<\/li>\n<li>z-score of 3 means data point is Three Standard Deviation from the Mean.<\/li>\n<li>If a z-score is 0, it indicates that the data point&#8217;s score is identical to the mean score.<\/li>\n<li>z-scores may be positive or negative, with a positive value indicating the score is above the mean and a negative score indicating it is below the mean.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-2369\" src=\"https:\/\/prwatech.in\/blog\/wp-content\/uploads\/2019\/06\/ZScore.png\" alt=\"z score tutorial\" width=\"850\" height=\"487\" srcset=\"https:\/\/prwatech.in\/blog\/wp-content\/uploads\/2019\/06\/ZScore.png 449w, https:\/\/prwatech.in\/blog\/wp-content\/uploads\/2019\/06\/ZScore-300x172.png 300w\" sizes=\"auto, (max-width: 850px) 100vw, 850px\" \/><\/p>\n<p>&nbsp;<\/p>\n<h3>Z Score Formula:<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-2370\" src=\"https:\/\/prwatech.in\/blog\/wp-content\/uploads\/2019\/06\/ZScore1.jpg\" alt=\"z score formula\" width=\"850\" height=\"385\" srcset=\"https:\/\/prwatech.in\/blog\/wp-content\/uploads\/2019\/06\/ZScore1.jpg 318w, https:\/\/prwatech.in\/blog\/wp-content\/uploads\/2019\/06\/ZScore1-300x136.jpg 300w\" sizes=\"auto, (max-width: 850px) 100vw, 850px\" \/><\/p>\n<p>&nbsp;<\/p>\n<h3>Z Score Example<\/h3>\n<p>To answer this question, we can re-phrase it as:\u00a0 What percentage (or number) of students scored higher than Sarah and what percentage (or number) of students scored lower than Sarah? First, let&#8217;s reiterate that Sarah scored 70 out of 100, the mean score was 60, and the standard deviation was 15 (see below).<\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-2371\" src=\"https:\/\/prwatech.in\/blog\/wp-content\/uploads\/2019\/06\/ZScore2.jpg\" alt=\"z score analysis example\" width=\"850\" height=\"800\" srcset=\"https:\/\/prwatech.in\/blog\/wp-content\/uploads\/2019\/06\/ZScore2.jpg 343w, https:\/\/prwatech.in\/blog\/wp-content\/uploads\/2019\/06\/ZScore2-300x283.jpg 300w\" sizes=\"auto, (max-width: 850px) 100vw, 850px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>Interested in learning more? then get enroll with <a href=\"http:\/\/prwatech.com\/\">Prwatech<\/a> for advanced <a href=\"https:\/\/prwatech.in\/data-science-training-institute-in-bangalore\/\">Data science training<\/a>\u00a0by professional trainers with 100% job assistance.<\/p>\n<p>Hope you liked our article on the z score tutorial. Share your feedback with your comments.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/xA5TAalZt40\" width=\"850\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Z- Score tutorial &nbsp; Z- Score tutorial,\u00a0welcome to the world of Z- score tutorial in Data Science. In this tutorial, one can learn about introduction of Z- score in data science with example. Are you the one who is looking forward to knowing the Z- score in Data science which comes under probability? Or the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26,1704],"tags":[171,170,172,169],"class_list":["post-2368","post","type-post","status-publish","format-standard","hentry","category-data-science","category-data-science-modules","tag-z-score-analysis-example","tag-z-score-formula","tag-z-score-in-data-science","tag-z-score-tutorial"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Z- Score Tutorial - Definition, Formula &amp; Examples | Prwatech<\/title>\n<meta name=\"description\" content=\"Z- Score Tutorial - Learn the complete concept of z score in data science, formula with examples. 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