**Hypothesis Testing and Critical t Value**In this problem, we are testing a hypothesis that a treatment will reduce scores on a particular variable. The significance level (α) is set at 0.05, and the sample size (n) is 15. We need to determine the critical t value for a one-tailed hypothesis test.**Options:**- \( t = 1.761 \)- \( t = -1.761 \)- \( t = 1.746 \)- \( t = -1.746 \)### Explanation:Before selecting the correct option, recall that for a one-tailed test reducing scores, we generally look for a negative critical t value at the specified significance level. To find the critical t value, you would typically use a t-distribution table or a statistical calculator, considering \( n - 1 = 14 \) degrees of freedom for the test.

Given,sample size(n)=15a=0.05it is a left tailed test because it is given that a treatment will…

Answered: It is expected that a treatment will…

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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It is expected that a treatment will reduce scores on a variable. If a = .05, what is the critical t value for a one-tailed hypothesis test with n = 15? %3D O t= 1.761 O t= -1.761 Ot= 1.746 O t= -1.746