A hotel housekeeper, Alison Harvey, was observed five times on each of four task elements, as shown in the following table. On the basis of these observations, find the standard time for the process. Assume a 10% allowance factor.
|
Element
|
Performance Rating (%)
|
Observations (minutes per cycle)
|
|
1
|
2
|
3
|
4
|
5
|
|
Check minibar
|
100
|
1.5
|
1.6
|
1.4
|
1.5
|
1.5
|
|
Make one bed
|
90
|
2.3
|
2.5
|
2.1
|
2.2
|
2.4
|
|
Vacuum floor
|
120
|
1.7
|
1.9
|
1.9
|
1.4
|
1.6
|
|
Clean bath
|
100
|
3.5
|
3.6
|
3.6
|
3.6
|
3.2
|