Question

With $\alpha = .01$, what are the boundaries for two-tailed critical region with a sample of $n = 20$ subjects? $t = \pm 2.528$ $t = \pm 2.845$ $t = \pm 2.861$ $t = \pm 2.539$

Name: with alpha 01 what are the boundaries for two tailed critical region with a sample of n 20 subjects t pm 2528 t pm 2845 t pm 2861 t pm 2539 06805
Uploaded: 2021-09-23T17:05:11-08:00
Duration: 2 min 17 s
Channel: Prabhat Tyagi
Description: with alpha 01 what are the boundaries for two tailed critical region with a sample of n 20 subjects t pm 2528 t pm 2845 t pm 2861 t pm 2539 06805

          With $\alpha = .01$, what are the boundaries for two-tailed critical region with a sample of $n = 20$ subjects?
$t = \pm 2.528$
$t = \pm 2.845$
$t = \pm 2.861$
$t = \pm 2.539$

Added by Manuela S.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Prabhat Tyagi

09/23/2021

Step 1

01$ and $n = 20$. We need to find the critical t-values for a two-tailed test. The degrees of freedom are $df = n - 1 = 20 - 1 = 19$. Since it is a two-tailed test, we need to find the t-value such that the area in each tail is $\alpha/2 = 0.01/2 = 0.005$. Show more…

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With $\alpha = .01$, what are the boundaries for two-tailed critical region with a sample of $n = 20$ subjects? $t = \pm 2.528$ $t = \pm 2.845$ $t = \pm 2.861$ $t = \pm 2.539$