Question

For each of the following tobs values, determine the highest level of significance associated with the decision taken. tobs df Decision

(i) t=4.000 df=17 Reject Ha for a two-tailed test

(ii) t=1.200 df=120 Reject Ha for a one-tailed test

(iii) t=-2.660 df=16 Reject Ha for both one tailed and two-tailed test

(iv) t=-1.586 df=60 Reject Ha for a one-tailed test

Answer 1

(i) $\alpha=0.0009.$

(ii) $\alpha=0.1163.$

(iii) one-taled $\alpha=0.0086,$ two-tailed $\alpha=0.0171.$

(iv) $\alpha=0.0590.$