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  • For a measurement of the radius of a ball following readings are taken: 3.26cm        3.28cm         3.31cm absolute

For a measurement of the radius of a ball following readings are taken:

3.26cm        3.28cm         3.31cm

Absolute error for the first reading is?

Answers (1)

best_answer

Given readings- 

  • 3.26 cm
  • 3.28 cm
  • 3.31 cm

$$
Mean = \frac {3.26 + 3.28 + 3.31}{3}= \frac {9.85} {3}= 3.283cm
$$ $$
Absolute error=|Mean−Reading|= |3.283−3.26|=0.023cm
$$ 

Hence, the absolute error for the first reading (3.26 cm) is 0.023 cm.

Posted by

Saniya Khatri

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