Find the standard deviation.The management of an amusement park wanted to determine the amount of waiting time for the park's oldest roller coaster. The following data represents a random sample of waiting times in minutes (rounded to the nearest minute): 14 7 11 15 17 7 7 11 13What is the standard deviation? Round your answer to one decimal place.
A. 3.5 min
B. 3.7 min
C. 4.0 min
D. 1.4 min
Answer: B
Mathematics
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A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
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; x1 = 2
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