Ball Bearing Production
1st
Line |
2nd
Line |
|
1.18
|
1.72
|
|
1.42
|
1.62
|
|
0.69
|
1.69
|
|
0.88
|
0.79
|
|
1.62
|
1.79
|
|
1.09
|
0.77
|
|
1.53
|
1.44
|
|
1.02
|
1.29
|
|
1.19
|
1.96
|
|
1.32
|
0.99
|
The diameters (in microns) of 10 steel ball bearings from each of two different production lines were measured.
One thing of interest is whether or not there is evidence that the distributions of diameters differ for the
two production lines.