What is the name of the first african american who served on the us supreme court?

In three to four sentences explain how wage discrimination reaults in unegual pay and how this can be corrected

Which is relatively better: a score of 76 on a psychology test or a score of 22 on an economics test? scores on the psychology test have a mean of 90 and a standard deviation of 13. scores on the economics test have a mean of 52 and a standard deviation of 10.

Population parameters are difficult to calculate due to