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Question

In an experiment, the values of refractive indices of glass were found to be 1.54, 1.53, 1.44, 1.54,1.56 and 1.45 in successive measurements.


Find the following:
i) Mean value of refractive index of the glass
ii) Mean absolute error
iii) Relative error
iv) Percentage error

A
1.51, 0.04, 0.03, 3%
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B
1.51, 3, 0.03, 0.04%
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C
3, 0.04, 1.51, 0.03%
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D
0.04, 1.51, 3, 0.03%
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