Answer
Here we have n = 38, x̅ = 25.42, s = 7.47, df = 37 and Confidence Level = 95%
Using an online calculator, we have t = 2.062
$s_{x̅} = \frac{7.47}{\sqrt 38} = 1.212$
Lower Bound = 25.42 - (2.062)(1.212) = 22.92
Upper Bound = 25.42 - (2.062)(1.212) = 27.92
Work Step by Step
Given above