某系统上线后频繁收到发生闪退的用户投诉,项目经理安排工程师小王尽快找到故障原因,并推荐使用（ ）进行分析。
- A.鱼骨图
- B.直方图
- C.趋势图
- D.散点图
正确答案及解析
正确答案
解析
1)老七工具
(1)因果图，又称鱼骨图或石川馨图，以其创始人石川馨命名。问题陈述放在鱼骨的头部，作为起点，用来追溯问题来源，回推到可行动的根本原因。
(5) 直方图，是一种特殊形式的条形图，用于描述集中趋势、分散程度和统计分布形状。
(7) 散点图，可以显示两个变量之间是否有关系，一条斜线上的数据点距离越近， 两个变量之间的相关性就越密切。
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