1.What is the mean daily production?

1.What is the mean daily production? (the answer is (a)1064 but I don’t know how did they get. So please show your work)
A) 1064                              Midpoints
B) 1014                             
C) 1114                             
D) 1050                               
E) 200                               
2. The test scores for a class of 200 students are computed. What is the location (position) of the test score associated with the 80

 

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