{"id":3366,"date":"2018-11-10T11:15:58","date_gmt":"2018-11-10T11:15:58","guid":{"rendered":"http:\/\/officetuts.net\/excel\/?p=3366"},"modified":"2024-03-29T14:12:05","modified_gmt":"2024-03-29T14:12:05","slug":"z-score-in-excel","status":"publish","type":"post","link":"https:\/\/officetuts.net\/excel\/formulas\/z-score-in-excel\/","title":{"rendered":"z score in Excel"},"content":{"rendered":"\n
z-score<\/a>Download File<\/a><\/div>\n\n\n\n

The z-score, also known as a standard score, is used in statistics. It measures the number of standard deviations of a specific number.<\/p>\n\n\n\n

To calculate z-score you can use the following formula.<\/p>\n\n\n\n

z-score = (x – \u03bc) \/ \u03c3<\/p>\n\n\n\n

x – value<\/p>\n\n\n\n

\u03bc – mean<\/p>\n\n\n\n

\u03c3 \u2013 standard deviation<\/p>\n\n\n\n

Let\u2019s take a look at the following example. This site iqtestprep.com<\/a> shows the IQ score of famous people.<\/p>\n\n\n\n

I chose just a few examples to illustrate how you can calculate the mean, standard deviation<\/a>, and z-score.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

You can copy the following example.<\/p>\n\n\n\n

First Name<\/td>Last Name<\/td>IQ<\/td><\/tr>
Muhammad<\/td>Ali<\/td>78<\/td><\/tr>
Rowan<\/td>Atkinson<\/td>178<\/td><\/tr>
Kobe<\/td>Bryant<\/td>114<\/td><\/tr>
Warren<\/td>Buffet<\/td>145<\/td><\/tr>
Miley<\/td>Cyrus<\/td>120<\/td><\/tr>
David<\/td>Duchovny<\/td>147<\/td><\/tr>
Thomas<\/td>Edison<\/td>145<\/td><\/tr>
Jodie<\/td>Foster<\/td>132<\/td><\/tr>
Ariana<\/td>Grande<\/td>105<\/td><\/tr>
Stephen<\/td>Hawking<\/td>160<\/td><\/tr>
Charles<\/td>Manson<\/td>109<\/td><\/tr>
OJ<\/td>Simpson<\/td>89<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Calculating standard deviation in Excel<\/h2>\n\n\n\n
    \n
  1. Calculate the mean for the IQ scores, by using the following formula =AVERAGE(C2:C13)<\/strong> and call it mean<\/strong>.<\/li>\n<\/ol>\n\n\n\n
    \"\"<\/figure>\n\n\n\n
      \n
    1. Calculate the standard deviation<\/a> with this formula: =STDEVPA(C2:C13)<\/strong> and call it stdev<\/strong>.<\/li>\n\n\n\n
    2. In cell D2<\/strong>, calculate the z-score for the first IQ: =STANDARDIZE(C2, mean, stdev)<\/strong>.<\/li>\n\n\n\n
    3. Use autofill<\/a> to calculate the remaining z-scores.<\/li>\n<\/ol>\n\n\n\n

      This is the result of our calculations.<\/p>\n\n\n\n

      \"\"<\/figure>\n","protected":false},"excerpt":{"rendered":"

      The z-score, also known as a standard score, is used in statistics. It measures the number of standard deviations of a specific number….<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23],"tags":[170,190],"yoast_head":"\nz score in Excel<\/title>\n<meta name=\"description\" content=\"Learn how to calculate the z-score and use it in statistics with this step-by-step guide. Includes an example calculation of z-scores for IQ scores.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/officetuts.net\/excel\/formulas\/z-score-in-excel\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"z score in Excel\" \/>\n<meta property=\"og:description\" content=\"Learn how to calculate the z-score and use it in statistics with this step-by-step guide. 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