Find the standard deviation of the data.Christine is currently taking college astronomy. The instructor often gives quizzes. On the past seven quizzes, Christine got the following scores. Find the standard deviation. Round to the nearest tenth.47 11 39 21 15 44 63

A. 8228.6
B. 39
C. 10,422
D. 19.1


Answer: D

Mathematics

You might also like to view...

Find the quotient and the remainder.3x2 + 10x - 8 divided by x + 4

A. 3x + 2; remainder 0 B. 3x - 2; remainder 7 C. x - 2; remainder 0 D. 3x - 2; remainder 0

Mathematics

Solve the problem.A nail 4 inches long is driven into a board  thick. How much of the nail protrudes from the other side of the board?

A.  in.
B. 1 in.
C. 3 in.
D.  in.

Mathematics

Find the integral.

A.  + C
B. 3 ln  + C
C. -  + C
D. -  + C

Mathematics

Solve.6x2/5 + 15x1/5 + 9 = 0

A. - 1, - 
B. 3, 2
C. 1, 
D. - 1, - 

Mathematics