What are the mean, variance, and standard deviation of these values? Round to the nearest hundredth.
15, 18, 23, 7, 31
(1 point)
Responses
mean = 18.8
variance = 80.2
standard deviation = 8.96
mean = 18.8 variance = 80.2 standard deviation = 8.96
mean = 19.3
variance = 80.2
standard deviation = 8.8
mean = 19.3 variance = 80.2 standard deviation = 8.8
mean = 18.8
variance = 8.96
standard deviation = 80.2
mean = 18.8 variance = 8.96 standard deviation = 80.2
mean = 19.3
variance = 83.2
standard deviation = 8.8
mean = 19.3 variance = 83.2 standard deviation = 8.8
mean = 18.8
variance = 80.2
standard deviation = 8.96