2022年将在北京﹣张家口举办冬季奥运会，很多学校开设了相关的课程．如表记录了某校4名同学短道速滑选拔赛成绩的平均数 x¯ 与方差s2：队员1队员2队员3队员4平均数 x&#x00A_刷题宝

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2022年将在北京﹣张家口举办冬季奥运会，很多学校开设了相关的课程．如表记录了某校4名同学短道速滑选拔赛成绩的平均数 x¯ 与方差s²：

	队员1	队员2	队员3	队员4
平均数 x¯ （秒）	51	50	51	50
方差s²（秒²）	3.5	3.5	14.5	15.5

根据表中数据，要从中选择一名成绩好又发挥稳定的运动员参加比赛，应该选择（）

A：队员1

B：队员2

C：队员3

D：队员4

上一题下一题 0.0难度选择题更新时间:2018-09-04 04:14:57

答案(点此获取答案解析）

B

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