4. You are asked to perform a two-sided hypothesis test at a significance level of5%. If you obtain a reduced difference (Z) of 1.378, what is the value of the descriptive threshold and your decision for this test?

a) The descriptive threshold is equal to 0.121 and we do not reject Ho b) The descriptive threshold is equal to 0.168 and we reject Ho c) The descriptive threshold is equal to 0.084 and we do not reject Ho d) The descriptive threshold is equal to 0.084 and we reject Ho e) The descriptive threshold is equal to 0.121 and we reject Ho f) The descriptive threshold is equal to 0.168 and we do not reject Ho