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2017-04-20 00:11:30 0 举报
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3. Calculate the degree of freedom (df)
Reject null hypothesis
4. Calculate Z value
No
5. Check critical Z value from table
2. Calculate mean and standard deviation for each objective
7. Z ≥ Z_crit
Student - T Test
6. Compare Z and Z_crit
1. Ensure confidence level
Yes
Accept null hypothesis
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