以下是引用Superdog在2004-4-18 13:42:00的发言:
H0:亲自出马跟不亲自出马效果一样
H1:亲自出马比不亲自出马成功率高
Using One-tail Independent T-test...
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(In-between steps are omited)
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Conclusion:
SInce the Calculated T value is smaller than the tabulated value at 5% significant level,
it's lie on the non-critical region of the graph and H0 is accepted.
Therefore, 亲不自出马 are no difference in 5% signficant level...
这么多英文?
偶字典不够用了 |