{"id":334,"date":"2025-07-15T13:34:46","date_gmt":"2025-07-15T13:34:46","guid":{"rendered":"https:\/\/functiontranslator.com\/2021\/02\/12\/norm-s-inv\/"},"modified":"2021-02-13T11:35:40","modified_gmt":"2021-02-13T11:35:40","slug":"norm-s-inv","status":"publish","type":"post","link":"https:\/\/functiontranslator.com\/en\/norm-s-inv\/","title":{"rendered":"NORM.S.INV"},"content":{"rendered":"

Introduction to NORM.S.INV Function<\/h2>\n

The NORM.S.INV function in Excel and Google Sheets is designed to return the inverse of the standard normal cumulative distribution. Essentially, it determines the z-value that corresponds to a given probability level within the standard normal distribution.<\/p>\n

Syntax<\/h2>\n

The syntax for the NORM.S.INV function is consistent across both Excel and Google Sheets:<\/p>\n

NORM.S.INV(probability)<\/code><\/pre>\n
Parameters<\/h2>\n
    \n
  • probability<\/strong> (required): This is a value between 0 and 1, representing the probability for which the inverse of the standard normal cumulative distribution is calculated.<\/li>\n<\/ul>\n
    Examples<\/h2>\n
    Example 1: Basic Usage<\/h3>\n
    To find the z-value associated with a probability of 0.25 in a standard normal distribution, use the NORM.S.INV function as follows:<\/p>\n\n\n\n
    Formula<\/th>\nResult<\/th>\n<\/tr>\n
    =NORM.S.INV(0.25)<\/code><\/td>\nApproximately -0.6745<\/td>\n<\/tr>\n<\/table>\n
    Example 2: Using NORM.S.INV with Other Functions<\/h3>\n
    The NORM.S.INV function can be integrated with other functions for advanced calculations. For example, to calculate the z-score corresponding to a probability of 0.95 in a normal distribution with a mean of 50 and a standard deviation of 10:<\/p>\n\n\n\n
    Formula<\/th>\nResult<\/th>\n<\/tr>\n
    =50 + NORM.S.INV(0.95) * 10<\/code><\/td>\nApproximately 64.85<\/td>\n<\/tr>\n<\/table>\n
    Example 3: Using NORM.S.INV for Statistical Analysis<\/h3>\n
    NORM.S.INV is frequently used in statistical analysis for determining critical values needed in hypothesis testing or confidence interval calculations. Below is an example to calculate the critical z-value for a confidence level of 90%:<\/p>\n\n\n\n
    Formula<\/th>\nResult<\/th>\n<\/tr>\n
    =NORM.S.INV(0.95)<\/code><\/td>\nApproximately 1.6449<\/td>\n<\/tr>\n<\/table>\n
    Conclusion<\/h2>\n
    The NORM.S.INV function is an invaluable tool in Excel and Google Sheets for managing and analyzing data within standard normal distributions. It offers precision and ease for statistical calculations, enhancing both understanding and productivity.<\/p>\n","protected":false},"excerpt":{"rendered":"
    Returns the inverse of the standard normal cumulative distribution<\/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-334","post","type-post","status-publish","format-standard","hentry","category-statistical"],"acf":[],"yoast_head":"\nExcel NORM.S.INV Function \u2013 How It Works, Formula Examples and Syntax<\/title>\n<meta name=\"description\" content=\"Learn what the Excel NORM.S.INV function does. 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