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In a Two-Tail Test for the Population Mean, the Null $\alpha$

Question 20

Multiple Choice

In a two-tail test for the population mean, the null hypothesis will be rejected at the $\alpha$ level of significance if the value of the standardised test statistic Z is such that:

A) Z > z $In a two-tail test for the population mean, the null hypothesis will be rejected at the \alpha level of significance if the value of the standardised test statistic Z is such that: A) Z > z . B) Z < -z . C) -z < Z < z . D) |Z| > z .$ .
B) Z < -z $In a two-tail test for the population mean, the null hypothesis will be rejected at the \alpha level of significance if the value of the standardised test statistic Z is such that: A) Z > z . B) Z < -z . C) -z < Z < z . D) |Z| > z .$ .
C) -z $In a two-tail test for the population mean, the null hypothesis will be rejected at the \alpha level of significance if the value of the standardised test statistic Z is such that: A) Z > z . B) Z < -z . C) -z < Z < z . D) |Z| > z .$ < Z < z $In a two-tail test for the population mean, the null hypothesis will be rejected at the \alpha level of significance if the value of the standardised test statistic Z is such that: A) Z > z . B) Z < -z . C) -z < Z < z . D) |Z| > z .$ .
D) |Z| > z $In a two-tail test for the population mean, the null hypothesis will be rejected at the \alpha level of significance if the value of the standardised test statistic Z is such that: A) Z > z . B) Z < -z . C) -z < Z < z . D) |Z| > z .$ .