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compute the mean winning speed by finding the mean of the da

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compute the mean winning speed by finding the mean of the data values in the table. Next, compute the mean winning speed by finding the total of the seven distances and dividing by the total of the seven winning times. Finally, compute the mean winning speed by dividing the mean distance by the mean winning time. Do the three values agree or are there differences?
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compute the mean winning speed by finding the mean of the da
根据表上的数据值的平均值计算出获胜的平均速度.然后再用7短距离的总和除以7次总时间得到平均速度.最后,再用平均距离除以平均时间得到平均获胜速度.3次平均值一样还是不一样?