{"id":463,"date":"2025-07-15T13:34:46","date_gmt":"2025-07-15T13:34:46","guid":{"rendered":"https:\/\/functiontranslator.com\/2021\/02\/12\/trimmean\/"},"modified":"2021-02-13T11:36:48","modified_gmt":"2021-02-13T11:36:48","slug":"trimmean","status":"publish","type":"post","link":"https:\/\/functiontranslator.com\/en\/trimmean\/","title":{"rendered":"TRIMMEAN"},"content":{"rendered":"

The TRIMMEAN<\/strong> function in Excel and Google Sheets is designed to calculate the mean of a dataset by excluding a specified percentage of the highest and lowest data points. This approach helps to mitigate the impact of outliers and provides a more representative measure of central tendency.<\/p>\n

Syntax:<\/h2>\n

The syntax for the TRIMMEAN function is identical in both Excel and Google Sheets:<\/p>\n

=TRIMMEAN(array, percent)<\/code><\/pre>\n
    \n
  • array<\/code>: The range of cells or array of values for which you want to calculate the trimmed mean.<\/li>\n
  • percent<\/code>: The percentage of data points to exclude from the calculation. It ranges from 0 to 1, where 0.2 corresponds to 20%.<\/li>\n<\/ul>\n
    Examples:<\/h2>\n
    Consider a dataset of test scores varying from 60 to 95, and we wish to calculate the trimmed mean by excluding the top and bottom 10% of scores.<\/p>\n
    Excel:<\/h3>\n\n\n
    Data<\/th>\n60<\/td>\n70<\/td>\n75<\/td>\n80<\/td>\n85<\/td>\n90<\/td>\n95<\/td>\n<\/tr>\n<\/table>\n
    In Excel, use the following formula to calculate the trimmed mean:<\/p>\n
    =TRIMMEAN(A2:A8, 0.2)<\/code><\/pre>\n
    This formula excludes the lowest 10% and the highest 10% of the scores, providing a more balanced average.<\/p>\n
    Google Sheets:<\/h3>\n
    The method is the same in Google Sheets. Apply the same formula:<\/p>\n
    =TRIMMEAN(A2:A8, 0.2)<\/code><\/pre>\n
    As with Excel, this formula excludes the specified percentage of the most extreme data points from the dataset.<\/p>\n
    In summary, the TRIMMEAN<\/strong> function is an effective tool for obtaining a more reliable average when outliers might skew the results of conventional mean calculations.<\/p>\n","protected":false},"excerpt":{"rendered":"
    Returns the mean of the interior of a data set<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[203],"tags":[],"class_list":["post-463","post","type-post","status-publish","format-standard","hentry","category-statistical"],"acf":[],"yoast_head":"\nExcel TRIMMEAN Function \u2013 How It Works, Formula Examples and Syntax<\/title>\n<meta name=\"description\" content=\"Learn what the Excel TRIMMEAN function does. 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