AQR Section 17: Which Histogram has more Variation?

For the applet below, which histogram has the greatest standard deviation? [br]Try to make a decision based on how the histogram "looks."[br]You can use the spreadsheet to calculate the standard deviations for each histogram.
AQR Section 17: Which Histogram has more Variation?

Information: AQR Section 17: Which Histogram has more Variation?