Assume that you conduct a two-tailed hypothesis test for the unknown population
ID: 3248151 • Letter: A
Question
Assume that you conduct a two-tailed hypothesis test for the unknown population standard deviation case with (alpha) = 0.01. Assume the test statistic is t =2.602 with the sample size =20. If you apply the critical value approach, then the critical values
must be calculated by statistic software such as EXCEL, not from the t-value table.
are ± 2.539.
are ± 2.528.
are ± 2.861.
must be calculated by statistic software such as EXCEL, not from the t-value table.
are ± 2.539.
are ± 2.528.
are ± 2.861.
Explanation / Answer
Option-D) + 2.861