A maintenance technician is tracking the number of work orders completed each day. Over a -day work week, the technician wants to achieve a mean of completed work orders per day. If the technician completed , , , and work orders on the first four days, how many work orders must be completed on the fifth day to exactly meet the target mean?
Cevap: 18 work orders
Cevap
The technician must complete 18 work orders on the fifth day.
To find a missing value when the mean is known, first determine the total sum required by multiplying the target mean (14) by the total number of data points (5), which equals 70. Next, add the known values from the first four days (12 + 16 + 11 + 13 = 52). Finally, subtract the sum of the known values from the total required sum (70 - 52 = 18). Therefore, 18 work orders must be completed on the fifth day.
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Anahtar Kavram
Calculating a missing value from a given mean requires multiplying the mean by the total number of items to find the required sum, then subtracting the known values.