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While determining the time period of osc...

While determining the time period of oscillation of a simple pendulum, the readings from various measurements are `1.73s, 1.62s, 1.52s, 1.45s " and "1.83s`. Calculate the values of mean value of time period, absolute error, mean absolute error and relative error.

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`1.63s, 0.12s, pm 0.074`
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