Summary statistics for city_mpg:
Group by: cylinders
cylindersnMeanVarianceStd. dev.Std. err.MedianRangeMinMaxQ1Q3
445524.6703329.1818275.40202060.25325063243617532127
638318.1697134.34546772.08457850.10651699181814321719
826914.3011154.17391672.04301660.12456492141010201316
122411.8333330.927536230.963086820.1965892712410141112.5
51721.7647062.94117651.71498590.4159451722618242123
-12111.5467.5454521.6227996.2419645122617713891127.5
10711.7142861.57142861.25356630.4738035412310131013
323400034034343434
1618NaNNaNNaN808888