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Find the critical value for the confidence level c = 0.95 and sample size n = 18. Click the icon to view the t-distribution table.

Find the critical value for the confidence level c = 0.95 and sample size n = 18. Click the icon to view the t-distribution table.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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**Finding the Critical Value for Confidence Interval** To find the critical value \( t_c \) for a confidence level of \( c = 0.95 \) and a sample size of \( n = 18 \), follow these steps: 1. **Determine Degrees of Freedom (df):** \[ df = n - 1 = 18 - 1 = 17 \] 2. **Consult the t-distribution table:** - Click the icon to view the t-distribution table. - Locate the row corresponding to 17 degrees of freedom. - Find the column for the 0.95 confidence level. 3. **Read the Critical Value:** - Record the critical value \( t_c \) from the table. - Round to the nearest thousandth as needed. Insert the value in the box provided: \[ t_c = \, \_\_ \] **Note:** Ensure your value is precise, as accuracy is crucial for statistical analysis. This interactive feature allows for easy access to statistical tables, aiding in accurate computations for various confidence intervals.
Transcribed Image Text:**Finding the Critical Value for Confidence Interval** To find the critical value \( t_c \) for a confidence level of \( c = 0.95 \) and a sample size of \( n = 18 \), follow these steps: 1. **Determine Degrees of Freedom (df):** \[ df = n - 1 = 18 - 1 = 17 \] 2. **Consult the t-distribution table:** - Click the icon to view the t-distribution table. - Locate the row corresponding to 17 degrees of freedom. - Find the column for the 0.95 confidence level. 3. **Read the Critical Value:** - Record the critical value \( t_c \) from the table. - Round to the nearest thousandth as needed. Insert the value in the box provided: \[ t_c = \, \_\_ \] **Note:** Ensure your value is precise, as accuracy is crucial for statistical analysis. This interactive feature allows for easy access to statistical tables, aiding in accurate computations for various confidence intervals.
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