A measure or parameter that is flawed or biased

मापांक जो दोषपूर्ण या पक्षपाती है

English Usage: The experiment's results were unreliable due to the dirty overall coefficient.

Hindi Usage: प्रयोग के परिणाम दोषयुक्त गुणांक के कारण अविश्वसनीय थे।