The error in two readings of A are 0.01 and -0.03, then mean absolute error is ?
The diameter of a wire as measured by a screw guage was found to be 0.026cm,0.028cm,0.029cm,0.027cm,0.024cm,0.027cm.Calculate 1)mean value of the diameter.2)mean absolute error.3)relative error.4)percentage error.Also express the result in terms of absolute and percentage error.