I feel more comfortable taking those kinds of statistics as indicating a confluence of serious social problems. Taking them collectively as one problem and putting one name on it - in this case, 'racism' - can be useful in some discussions, but when trying to figure out solutions, I fear it can lead to simplistic responses. So, for example, rather than doing the hard work of improving conditions and opportunities for certain populations in certain places, so that fewer end up in crime, a policy is made concerning the judicial treatment of the people in question, and then the matter is considered dealt with, for the time being.