单选题
Which one of the following best characterizes the alternative hypothesis? The alternative hypothesis is usually the: A. hypothesis that is proved through statistical testing. B. hoped -for outcome. C. hypothesis to be proved through statistical testing.
【正确答案】
B
【答案解析】The alternative hypothesis is typically the hypothesis that a researcher hopes to support after a statistical test is carried out. We can reject or fail to reject the null, not ' prove' a hypothesis.