How To Fix QE438 - The minimum value is greater than the mean value

SAP Error Message - Details

• Message type: E = Error

• Message class: QE - RM-QSS Fehlertexte zur Ergebniserfassung

• Message number: 438

• Message text: The minimum value is greater than the mean value

What causes this issue?

The value you entered for the minimum of valid measured values is
greater than the mean value. This is not possible.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Check and correct your entry.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message QE438 - The minimum value is greater than the mean value ?

  The SAP error message QE438, "The minimum value is greater than the mean value," typically occurs in the context of quality management and statistical analysis within SAP systems. This error indicates that there is an inconsistency in the data being analyzed, specifically that the minimum value recorded is greater than the mean (average) value, which is mathematically impossible.
  Cause:
  
  Data Entry Errors: Incorrect data entry can lead to unrealistic values. For example, if the minimum value is entered incorrectly or if there are outliers in the data set.
  Calculation Errors: Issues in the calculation logic or formulas used to derive the mean value can lead to discrepancies.
  Data Integrity Issues: Corrupted or inconsistent data in the database can also lead to this error.
  Statistical Outliers: The presence of outliers can skew the mean value, leading to situations where the minimum appears greater than the mean.
  
  Solution:
  
  Review Data Entries: Check the data entries for the specific dataset that triggered the error. Ensure that all values are entered correctly and that there are no typographical errors.
  Recalculate Values: If the mean value is calculated based on a formula, verify the formula and recalculate the mean to ensure it is accurate.
  Check for Outliers: Analyze the dataset for any outliers that may be affecting the mean calculation. Consider removing or adjusting these outliers if they are not representative of the data.
  Data Validation: Implement data validation checks to prevent incorrect data from being entered in the future. This can include setting constraints on minimum and maximum values.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on handling quality management data and statistical calculations.
  
  Related Information:
  
  SAP Quality Management (QM): This module deals with quality planning, quality inspection, and quality control. Understanding how data is managed in this module can help in troubleshooting issues like QE438.
  Statistical Analysis: Familiarity with basic statistical concepts such as mean, median, mode, and outliers can be beneficial in understanding and resolving this error.
  SAP Notes and Support: Check SAP Notes for any known issues or patches related to this error message. SAP Support can also provide assistance if the problem persists.
  
  By following these steps, you should be able to identify the root cause of the QE438 error and implement a solution to resolve it.