What is the critical value(s)for this test? (Hint: Use Excel to find the critical value(s))
A)± 2.093
B)± 2.024
C)-1.729
D)-1.304

Question

Quizplus · Accepted Answer

Using Excel to find the critical value for a t-distribution with 14 degrees of freedom and a 0.025 level of significance, we get ±2.1448. However, since we are doing a two-tailed test, we need to divide the level of significance by 2 (0.025/2 = 0.0125) and look up the critical value at the 0.0125 level. This gives us a critical value of ±2.1604. The closest choice to this value is B (±2.024), which is within the range of values that would reject the null hypothesis. Therefore, B is the best choice.

What Is the Critical Value(s)for This Test? (Hint: Use Excel