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20.12.2019 •
Mathematics
State the critical value(s) for the following two-tailed t test at a 0.05 level of significance: t([infinity]). ±1.645 ±1.96 the same as for a two-tailed z test at a 0.05 level of significance both ±1.96 and the same as for a two-tailed z test at a 0.05 level of significance.
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Ответ:
± 1.96 and the same as for a two-tailed z test at a 0.05 level of significance.
Step-by-step explanation:
We are given the following information in the question:
We perform a two-tailed hypothesis at a 0.05 level of significance.
We have to state the critical values for the same.
Z-critical:
T-critical:
The critical value for t depends upon the degree of freedom which is obtained from the sample size.
If n is the sample size, then , n - 1 is the degree of freedom.
which is the same as the z-critical
Ответ: