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Which of the Following Statements Are True About the P-Value Φ(z)\Phi ( z )

Question 3

Multiple Choice

Which of the following statements are true about the P-value, where z is the calculated value of the test statistic and Φ(z) \Phi ( z ) is the corresponding cumulative area under the standard normal curve?


A) P-value = 1Φ(z) 1 - \Phi ( z )
For an upper-tailed test.
B) P-value = Φ(z) \Phi ( z )
For a lower-tailed test.
C) P-value = 2[1Φ(z) ]2 [ 1 - \Phi ( \mid z ) ]
For a lower-tailed test
D) All of the above statements are true.
E) None of the above statements are true.

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