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What is Mean Absolute error?...

What is Mean Absolute error?

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The arithmetic mean of the magnitude of absolute errors in all the measurements is called the mean absolte error.
It `a_(m)` is the true value and `Delta a_(m)` is the mean absolute error, then the magnitude of the quantity may lie between `a_(m)+Delta a_(m)` and `a_(m)-Delta a_(m)`
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Knowledge Check

  • If the absolute error while calculating the absolute error in volume of a sphere of radius 10 cm is 0.1 cm. Which is the absolute error in volume of the sphere ?

    A
    `-10pi cm^(3)`
    B
    `-20pi cm^(3)`
    C
    `-80picm^(3)`
    D
    `-40picm^(3)`

  • (I) The ratio of mean absolute error to the mean value is called fractional error (II) Due to the wrong observations Recording, Random errors occur. Which statement is correct?

    A
    I only
    B
    II only
    C
    Both are correct
    D
    None

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    In s series of successive measurements in an experiment, the readings of the period of oscillation of a simple pendulum were found to be 2.63s,2.56s,2.42s,2.71s" and "2.80s . Calculate The mean absolute error in each measurement.

    In s series of successive measurements in an experiment, the readings of the period of oscillation of a simple pendulum were found to be 2.63s,2.56s,2.42s,2.71s" and "2.80s . Calculate The mean absolute error.

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