$MBF3C-$ Standard Deviation $Name$
The monthly contribution collections for St. Anne's Parish for the past year are $listed$ $oelow$
$s3300$ $s3200$ $s4500$ $s5600$ $s3600$
$s2800$ $s2400$ $s3200$ $S4000$ $\bar{S4200} $ $\dfrac {s3500} {S6500}$
a. Determine the mean monthly contributions. [3]
b. Fill out the table $below$ [5]
$x-x$ $\left(x-x\right)^{2}$
3300
3200
4500
5600
3600
3500
2800
2400
3200
4000
4200
6500
Total
c. Determine the variance of the monthly contributions. [2]
d. Determine the standard deviation of the monthly contributions [2]