生产某种滚珠，要求直径x为15.0±1.0mm，测得50个滚珠的直径如下表。试用直方图对生产过程进行统计分析。中大网校
|
J
I
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
|
1
|
15.0
|
15.8
|
15.2
|
15.1
|
15.8
|
14.7
|
14.8
|
15.5
|
15.6
|
15.3
|
|
2
|
15.1
|
15.3
|
15.0
|
15.6
|
15.7
|
14.8
|
14.5
|
14.1
|
14.9
|
14.9
|
|
3
|
15.2
|
15.0
|
15.3
|
15.6
|
15.1
|
14.9
|
14.2
|
14.6
|
15.8
|
15.2
|
|
4
|
14.6
|
15.2
|
15.0
|
14.9
|
14.8
|
14.5
|
15.1
|
15.5
|
15.5
|
15.5
|
|
5
|
15.1
|
15.0
|
15.3
|
14.7
|
14.5
|
15.5
|
15.0
|
14.7
|
14.6
|
14.2
|
