Answer
a) The mean is closest to $2.60$ because that’s the balancing point of the histogram.
b) The standard deviation is closest to $0.15$ since that’s a typical distance from the mean. There are no prices as far as $0.50$ or $1.00$ from the mean.
Work Step by Step
a) The mean is closest to $2.60$ because that’s the balancing point of the histogram.
b) The standard deviation is closest to $0.15$ since that’s a typical distance from the mean. There are no prices as far as $0.50$ or $1.00$ from the mean.