Find the weighted mean of the numbers in the table. Round to the nearest tenth.A class of 44 students took a 10-point quiz. The frequency of scores is given in the table. 
A. 7.5 points
B. 7.8 points
C. 7.6 points
D. 7.3 points
Answer: B
Mathematics
You might also like to view...
Find projv u.v = i + j + k, u = 4i + 12j + 3k
A. 
i + 
j + 
k
B. 
i + 
j + 
k
C. 
i + 
j + 
k
D. 
i + 
j + 
k
Mathematics
Write the first four elements of the sequence. 
n
A. 
, 
, 
, 
B. 
, 
, 
, 
C. 1, 
, 
, 
D. 
, - 
, 
, - 
Mathematics
Solve the system.
A. (2, 0, -4) B. (2, -4, 0) C. (0, -4, 2) D. ?
Mathematics
Simplify.
A. m B. -m - 5 C. -m D. m + 5
Mathematics