答案:A
解析:
Choice A is correct. To find the mean, first find the sum of all the body mass estimates, then divide by the total number of estimates. To the nearest kilogram, the mean of the body mass estimates of the Stegosaurus is 2201 kg.
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答案:A
解析:
Choice A is correct. To find the mean, first find the sum of all the body mass estimates, then divide by the total number of estimates. To the nearest kilogram, the mean of the body mass estimates of the Stegosaurus is 2201 kg.
重点单词 | 查看全部解释 | |||
mass | [mæs] | |||
multiple | ['mʌltipl] | 联想记忆 | ||
paleontologist | [,pæliɔn'tɔlədʒist] | |||
skeleton | ['skelitn] |