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A one-sample z-test for a population mean is to be performed. Let z 0 denote the...

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Statistics

A one-sample z-test for a population mean is to be performed.Let z 0 denote the observed value of the test statistic, z. Assumethat a two-tailed test is being performed. True or false: If z0 isnegative, the P-value is twice the area under the standard normalcurve to the right of z0. 2) A) True B) False

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3.9 Ratings (549 Votes)

Option - B) False

P-value = 2 * P(Z < z0)

The P-value is twice the area under the standard normal curve to the left of z0.

                                             

                                         

                                            

                                          
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