construct a confidence interval at a 98% confidence level.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
If n = 29, ¯xx¯ = 39, and s = 11, construct a confidence interval at a 98% confidence level. Assume the data came from a
Expert Solution
Step 1
Given : n=29 , X-bar=39 , s=11 , α=0.02
Since , the population standard deviation (σ) is unknown.
Therefore , use t-distribution.
Our aim is to construct a confidence interval at a 98% confidence level.
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