1. Patrick and Derek estimated that China would win 32 and 14 gold medals respectively in the 2000 Olympic Game. Actually, China won 28 gold medals.
(a) Find the percentage error of Patrick's estimation.
(b) Find the percentage error of Derek's estimation.
(c) Who has a more accurate estimation?
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用中文講下點計.
Mathematics ~ Approximatoin and Errors ~
2007-09-21 4:11 am
回答 (1)
2007-09-21 4:43 am
✔ 最佳答案
(a) the abs. error: (32-28)gold=4gold
relative error: 4 gold/32 gold
=0.125
percentage error :0.125*100%
=12.5%
(b) The abs. error: (28-14) gold
=14gold
relative error:14 gold/14 gold
=1
percentage error :1*100%
=100%
(c) Patrick has a more accurate estimation
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