nfidence interval for the average net change in a student's score after completing the course. Assume the population is approximately normal. Copy Data Step 2 of 4 : Calculate the sample standard deviation for the given sample data. Round your answer to one decimal place.
nfidence interval for the average net change in a student's score after completing the course. Assume the population is approximately normal. Copy Data Step 2 of 4 : Calculate the sample standard deviation for the given sample data. Round your answer to one decimal place.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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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 the course to determine the effectiveness of the course. The following measurements are the net change in 5 students' scores on the exam after completing the course:
12,11,15,14,22
Using these data, construct a 80% confidence interval for the average net change in a student's score after completing the course. Assume the population is approximately normal.
Copy Data
Step 2 of 4 :
Calculate the sample standard deviation for the given sample data. Round your answer to one decimal place.
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