Question: The critical value for a specific left-tailed hypothesis test is given as 1.645. Depending on the sample selected for the hypothesis test, the calculated test

The critical value for a specific left-tailed hypothesis test is given as −1.645. Depending on the sample selected for the hypothesis test, the calculated test statistic can vary. For each of the following test statistics, indicate whether to reject the null hypothesis.

(a) −2.8

(b) −1.7

(d) 1.63

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