请教统计问题 whether, errors, versus, value, null

cobainyu

请问一下统计的问题

A.formulate null and alternative hypotheses consistent with determining whether the poppulation mean value of analyst A's forcast errors(u1) are larger than ananyst B's(u2)

answer:Ho:u1-u2<=0 versus Ha:u1-u2>0

答案可以写成这样吗？》》》   Ho:u1-u2>0 versus Ha:u1-u2<=0