The results of a time study to perform a quality control test are shown in the following table. On the basis of these observations, determine the normal and standard time for the test, assuming a 23% allowance factor.
Task Element
|
Performance Rating (%)
|
Observations (minutes)
|
1
|
2
|
3
|
4
|
5
|
1
|
97
|
1.5
|
1.8
|
2.0
|
1.7
|
1.5
|
2
|
105
|
.6
|
.4
|
.7
|
3.7a
|
.5
|
3
|
86
|
.5
|
.4
|
.6
|
.4
|
.4
|
4
|
90
|
.6
|
.8
|
.7
|
.6
|
.7
|