The scores on a 30-point multiple-choice exam are given in the following frequency table:
The mean score on the exam is
A. 25.
B. 26.5.
C. 25.5.
D. 26.
E. none of these
Answer: D
Mathematics
You might also like to view...
Determine the number of subsets of the set.A set of 10 elements
A. 20 B. 512 C. 21 D. 1024
Mathematics
Evaluate the integral.
A. 30 B. 10 C. 60 D. 90
Mathematics
Solve. Write the fraction in simplest form.There are 21,000 runners at a marathon. If 2,000 are males, what fraction of the runners are males?
A. 
B. 
C. 
D. 
Mathematics
Find the moment or center of mass of the wire, as indicated.Find the moment about the y-axis of a wire of constant density that lies along the curve y = x2 from 
to
A. 
B. 2
C. 
D. 
Mathematics