error band meaning in Hindi

Besides the inherent error band around any IQ test score because tests are a " sample of learned behavior ", IQ scores can also be misleading because test-givers fail to follow standardized administration and scoring procedures.
The formula [ 40-60 % Ochre; 15-20 % Kron ( zinc hydrochromate ); 10-20 % Zinc White; and 8-13 % Ultramarine ] has wide error bands resulting in a spectrum of mostly but not entirely green colors.
The current state of test strip manufacturing capability, even with calibration codes, still has a + /-10 to 15 % error band when compared to a lab analysis of blood glucose in a blood sample .-talk 17 : 28, 28 July 2007 ( UTC)