Find the sample standard deviation.15, 15, 15, 18, 21, 21, 21
A. 3
B. 7.7
C. 9.0
D. 2.8
Answer: A
Mathematics
You might also like to view...
Solve.
= 
A. 3.166 B. 12.2 C. 1.213 D. 9.18
Mathematics
Use Cramer's rule to solve the linear system. If D = 0, use another method to determine the solution set. 8x + 7z = 59-7x + 8y + 8z = 83 8x - 5y = -16
A. {(3, 8, 5)} B. {(3, -8, -5)} C. {(8, 5, 8)} D. ({4, 6, 5)}
Mathematics
The acceleration function of a body moving along a coordinate line is a(t) = ?7cos2t ? 8sin2t t?0.
Find its velocity and position functions at any time t if it is located at the origin and has an initial velocity of 4 m/sec.
Mathematics
Simplify and write the answer using scientific notation.6.3 × 1016 + 7.6 × 1016
A. 1.39 × 1032 B. 4.788 × 1017 C. 1.39 × 1016 D. 1.39 × 1017
Mathematics