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The weights, in ounces, of the two candles in package A are 4.00 and 4.20. The weights, in ounces, of the four candles in package B are 3.80, 4.00. 4.20, and 4.40. Two candles are to be added to package A such that the standard deviation of the weights of the four candles in package A will be less than the standard deviation of the weights of the four candles in package B. Which of the following pairs of values could be the weights, in ounces, of the two candles to be added to package A?
B,C,D显示答案
· 相关考点
5.2.9 标准差
5.2.9 标准差
以上解析由 考满分老师提供。
