Find the standard deviation for the given data. Round your answer to one more decimal palce than the original data.

6. Find the standard deviation for the given data. Round your answer to one more decimal palce than the original data.
15, 42, 53, 7, 9, 12, 14, 28, 47

9. Find the indiceted probability.
A spinner has equal regions numbered 1 through 15. What is the probability that the spinner will stop on an even number or a multiple of 3?
A) 1/3
B) 12
C) 2/3
D) 7/9

10. Find the indiceted probability.
In one town, 53% of all voters are Democrats. If two voters are randomly selected for a survey, find the probability that they are both Democrats.
a) 1.060
b) 0.276
c) 0.530
d) 0.281

... More questions are attached below.