SAT官方每日一题附答案和解析[数学](2018年6月29日)
日期:2018-06-29 10:48
(单词翻译:单击)
每日一题
Mathematics
A paleontologist estimated the body mass of a Stegosaurus from a skeleton using several methods. The estimated masses in kilograms (kg) were:
1082kg
1560kg
2256kg
2355kg
3751kg
To the nearest kg, what is the mean estimate of the Stegosaurus's body mass?
A.2201kg
B.2256kg
C.2417kg
D.2669kg
答案和解析
答案：A
解析：
Choice A is correct.
