To monitor the number of blemishes on a polished surface,a company randomly selects 10 units of output from its process and counts the number of blemishes on each unit.The sample results are shown below: Given the sample information above,the average number of defects per unit for this process would be
A)160.
B)80.
C)16.
D)10.

Question

To monitor the number of blemishes on a polished surface,a company randomly selects 10 units of output from its process and counts the number of blemishes on each unit.The sample results are shown below:  Given the sample information above,the average number of defects per unit for this process would be
A)160. 
B)80. 
C)16. 
D)10.

Quizplus · Accepted Answer

To find the average number of defects per unit, we need to calculate the mean of the given sample data:

Mean = (11 + 8 + 17 + 13 + 16 + 9 + 12 + 15 + 3 + 6) / 10 = 100 / 10 = 10

Therefore, the average number of defects per unit for this process is 10, which is option D in the given choices.

To Monitor the Number of Blemishes on a Polished Surface,a