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Grant, of Black by Dezign!, was trying the find the the critical values (t-scores) for the following.      Alpha in the left tail is 2.5%, sample size is 27. α is 20% and the degrees of freedom are twenty-four. 0.5%, df= 19 and s = 28 years. (Right tail) α is 5% and the sample size is 10.

Grant, of Black by Dezign!, was trying the find the the critical values (t-scores) for the following.      Alpha in the left tail is 2.5%, sample size is 27. α is 20% and the degrees of freedom are twenty-four. 0.5%, df= 19 and s = 28 years. (Right tail) α is 5% and the sample size is 10.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
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Grant, of Black by Dezign!, was trying the find the the critical values (t-scores) for the following.   

 

Alpha in the left tail is 2.5%, sample size is 27.

α is 20% and the degrees of freedom are twenty-four.

0.5%, df= 19 and s = 28 years. (Right tail)

α is 5% and the sample size is 10.

Expert Solution
Step 1

From the provided information,

i)

Level of significance (α) = 2.5% or 0.025 (left tailed)

Sample size (n) = 27

Degree of freedom = n – 1 = 27 – 1 = 26

The critical value of t at 26 degree of freedom with 0.025 level of significance left tailed from the t value table is -2.0555.

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