Based on a careful work study in the Hofstetter Corp., the results shown in the
ID: 376583 • Letter: B
Question
Based on a careful work study in the Hofstetter Corp., the results shown in the following table have been observed Observation (minutes per cycle) Performance Rating 125% 110% 85% 85% 2 41 4 43 14 Element 39 Prepare daily reports Photocopy results Label and package reports Distribute reports 34 13 34 37* 4 16 18 16 45A Photocopying machine broken; included as delay in the allowance factor APower outage; included as delay in the allowance factor The allowance factor for this type of work is given to be 15%. (Round all intermediate calculations to two decimal places before proceeding with further calculations.) a) The normal time for the "prepare daily reports" operations | | minutes (round your response to two decimal places)Explanation / Answer
PLEASE FIND ANSWER TO ALL BUT LAST QUESTION :
Below table presents calculated values of average time for each element:
O B S E R V A T I O N S
Element
1
2
3
4
5
Average time = Sum of observations/5
Prepare daily report
34
41
34
43
39
38.2
Photocopy results
13
9
37
14
14
17.4
Label and package report
3
4
4
5
5
4.2
Distribution reports
16
18
22
16
45
23.4
Normal time = Average time x Performance rating factor
Thus ,
Normal time for all elements as follows :
ELEMENT
AVERAGE TIME (MINUTES PER CYCLE )
PERFORMANCE RATING FACTOR = PERFORMANCE RATING ( %)/100
NORMAL TIME( MINUTES ) = AVERAGE TIME X PERFORMANCE RATING FACTOR
Prepare daily reports
38.2
1.25
47.75
Photocopy results
17.4
1.1
19.14
Label and package reports
4.2
0.85
3.57
Distribute reports
23.4
0.85
19.89
Thus, Normal time for overall process = 47.75 + 19.14 + 3.57 + 19.89 minutes = 90.35 minutes
NORMAL TIME FOR OVERALL PROCESS = 90.35 MINUTES
Allowance factor = 15% ( or, 0.15)
Hence,
Standard time for this process = Normal time / ( 1 – Allowance factor) = 90.35 / ( 1 – 0.15) = 90.35/0.85 = 106.29 minutes
STANDARD TIME FOR THIS PROCESS IS 106.29 MINUTES
O B S E R V A T I O N S
Element
1
2
3
4
5
Average time = Sum of observations/5
Prepare daily report
34
41
34
43
39
38.2
Photocopy results
13
9
37
14
14
17.4
Label and package report
3
4
4
5
5
4.2
Distribution reports
16
18
22
16
45
23.4
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