Use the information below to answer questions 10-14. The patient recovery time from a particular surgical procedure is symmetrically distributed with a mean of 3.5 days and a standard deviation of 0.5 days.
10. The computed value of skewness is
a) positive
b) infinity
c) negative
d) zero
11. The median recovery time is
a) 3.5
b) 0.5
c) 3.0
d) 4.0
12. What is the modal recovery time?
a) -1
b) 1.5
c) 3.5
d) 1
13. The coefficient of variation of the recovery time is
a) 1.0%
b) 14.3%
c) 35.0%
d) 5.0%
14. What is the variance of the recovery time?
a) 3.5
b) 14.3
c) 12.25
d) 0.25​