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BESC 3010 Ch8 Exam Questions and Answers All Correct
BESC 3010 Ch8 Exam Questions and Answers All Correct 
 
/The z-test is appropriate when... - Answer-the researcher knows the population mean and variance/standard deviation 
 
/.If a researcher wants to test whether an experimental group is different from the general population, the she would test... - Answer-the null hypothesis of no difference between the group and the population. 
 
/.n a two-tailed or non-directional test, if the critical value has a greater absolute value than the observed ...