A certain test preparation course is designed to help students improve their scores on the LSAT exam. A mock exam is given at the beginning and end o determine the effectiveness of the course. The following measurements are the net change in 5 students' scores on the exam after completing the cour 20, 26, 20, 11, 19 Using these data, construct a 90 % confidence interval for the average net change in a student's score after completing the course. Assume the populati approximately normal. Step 4 of 4: Construct the 90 % confidence interval. Round your answer to one decimal place.
A certain test preparation course is designed to help students improve their scores on the LSAT exam. A mock exam is given at the beginning and end o determine the effectiveness of the course. The following measurements are the net change in 5 students' scores on the exam after completing the cour 20, 26, 20, 11, 19 Using these data, construct a 90 % confidence interval for the average net change in a student's score after completing the course. Assume the populati approximately normal. Step 4 of 4: Construct the 90 % confidence interval. Round your answer to one decimal place.
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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Transcribed Image Text:A certain test preparation course is designed to help students improve their scores on the LSAT exam. A mock exam is given at the beginning and end of
determine the effectiveness of the course. The following measurements are the net change in 5 students' scores on the exam after completing the cours
20, 26, 20, 11, 19
Using these data, construct a 90 % confidence interval for the average net change in a student's score after completing the course. Assume the populati
approximately normal.
Step 4 of 4: Construct the 90 % confidence interval. Round your answer to one decimal place.
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Upper endpoint:
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