Determine the t-value in each of the cases. Click the icon to view the table of areas under the t-distribution. (a) Find the t-value such that the area in the right tail is 0.01 with 27 degrees of freedom. (Round to three decimal places as needed.) (b) Find the t-value such that the area in the right tail is 0.05 with 6 degrees of freedom. |(Round to three decimal places as needed.) (c) Find the t-value such that the area left of the t-value is 0.25 with 7 degrees of freedom. [Hint: Use symmetry.] (Round to three decimal places as needed.)
Determine the t-value in each of the cases. Click the icon to view the table of areas under the t-distribution. (a) Find the t-value such that the area in the right tail is 0.01 with 27 degrees of freedom. (Round to three decimal places as needed.) (b) Find the t-value such that the area in the right tail is 0.05 with 6 degrees of freedom. |(Round to three decimal places as needed.) (c) Find the t-value such that the area left of the t-value is 0.25 with 7 degrees of freedom. [Hint: Use symmetry.] (Round to three decimal places as needed.)
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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Transcribed Image Text:**T-Value Determination in Various Cases for an Educational Resource**
This section provides instructions for determining the t-value in different scenarios using the t-distribution. It's imperative to refer to a table of areas under the t-distribution to find these values.
**Tasks:**
(a) **Objective:** Find the t-value such that the area in the right tail is 0.01 with 27 degrees of freedom.
**Instruction:** Round your answer to three decimal places.
(b) **Objective:** Find the t-value such that the area in the right tail is 0.05 with 6 degrees of freedom.
**Instruction:** Round your answer to three decimal places.
(c) **Objective:** Find the t-value such that the area left of the t-value is 0.25 with 7 degrees of freedom.
**Hint:** Use symmetry to assist in finding the value.
**Instruction:** Round your answer to three decimal places.
(d) **Objective:** Determine the critical t-value that corresponds to 95% confidence, assuming 30 degrees of freedom.
**Instruction:** Round your answer to three decimal places.
**Note:** For all parts, click the icon to view the table of areas under the t-distribution to aid your calculations.
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