Race and sex differences in AP test results

Race and sex differences in AP test results(i.imgur.com)

1 points by xrctl 12 years ago | 1 comment

drallison 12 years ago |

Confusing graph. No variances shown. No explanation of the axes. No explanation why the authors chose to use the mean rather than some other statistic. Overall, without the accompanying paper, a D-.

drallison 12 years ago |

Confusing graph. No variances shown. No explanation of the axes. No explanation why the authors chose to use the mean rather than some other statistic. Overall, without the accompanying paper, a D-.