6. What is the standard deviation of the number of newspapers sold at each
Σ(x-x)²
stand?s=
n-1
a. 4.95
b. 5.05
c. 5.15
d. 5.25

6 What is the standard deviation of the number of newspapers sold at each Σxx stands n1 a 495 b 505 c 515 d 525 class=
Q&A Education