Distributions and measures of center and spread · 第 17 题

Distributions and measures of center and spread · 原库模块 1 · Q17 原库参考解析

Andrew and Maria each collected six rocks, and the masses of the rocks are shown in the table above. The mean of the masses of the rocks Maria collected is 0.1 kilogram greater than the mean of the masses of the rocks Andrew collected. What is the value of x ?