A researcher obtains z = 2.04 for a one-sample z test. What is the decision for this test at a .05 level of significance?

A. to reject the null hypothesis
B. to retain the null hypothesis
C. it depends on whether the test is one-tailed or two-tailed
D. there is not enough information to make a decision


Ans: A

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Congress did not intend by provisions of the Civil Rights Act, pertaining to employment opportunities, to guarantee a job to every person regardless of qualifications

Indicate whether the statement is true or false

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A. Linearity B. Homoscedasticity C. Multicollinearity D. Normality of residuals

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MDD is a major condition that can recur; if it does recur after a two month interval, it can be diagnosed as:

a. MDD, ongoing b. MDD, recurrent c. MDD, static d. MDD, dynamic e. MDD, reversed

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When a teacher assigns an object to be measured students have to make all of these decisions EXCEPT:

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