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Children in two elementary school classrooms were same test, but with the order of questions arranged from easier to more difficult in Version A and in reverse order in Version B. Randomly selected students from each class were given Version A (sample 1) and the rest Version B (sample 2). The 95% confidence interval for the difference in the average score between students taking Version A and students taking Version B is (-10, -2). Interpret this nterval. D u1 is similar to µ2, therefore we can be 95% confident that the average score for students taking Version A is similar to that of students taking Version B. OH1 is substantially more than u2, therefore we can be 95% confident that the average score for students taking Version A is substantially higher than for students taking Version B. u1 is substantially less than u2, therefore we can be 95% confident that the average score for students taking Version A is substantially less than for students taking Version B.

Children in two elementary school classrooms were same test, but with the order of questions arranged from easier to more difficult in Version A and in reverse order in Version B. Randomly selected students from each class were given Version A (sample 1) and the rest Version B (sample 2). The 95% confidence interval for the difference in the average score between students taking Version A and students taking Version B is (-10, -2). Interpret this nterval. D u1 is similar to µ2, therefore we can be 95% confident that the average score for students taking Version A is similar to that of students taking Version B. OH1 is substantially more than u2, therefore we can be 95% confident that the average score for students taking Version A is substantially higher than for students taking Version B. u1 is substantially less than u2, therefore we can be 95% confident that the average score for students taking Version A is substantially less than for students taking Version B.

MATLAB: An Introduction with Applications
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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Children in two elementary school classrooms were given two versions of the same test, but with the order of questions arranged from easier to more difficult in Version A and in reverse order in Version B. Randomly selected students from each class were given Version A (sample 1) and the rest Version B (sample 2). The 95% confidence interval for the difference in the average score between students taking Version A and students taking Version B is (-10, -2). Interpret this interval. O ul is similar to u2, therefore we can be 95% confident that the average score for students taking Version A is similar to that of students taking Version B. O Hl is substantially more than u2, therefore we can be 95% confident that the average score for students taking Version A is substantially higher than for students taking Version B. u1 is substantially less than u2, therefore we can be 95% confident that the average score for students taking Version A is substantially less than for students taking Version B.
Transcribed Image Text:Children in two elementary school classrooms were given two versions of the same test, but with the order of questions arranged from easier to more difficult in Version A and in reverse order in Version B. Randomly selected students from each class were given Version A (sample 1) and the rest Version B (sample 2). The 95% confidence interval for the difference in the average score between students taking Version A and students taking Version B is (-10, -2). Interpret this interval. O ul is similar to u2, therefore we can be 95% confident that the average score for students taking Version A is similar to that of students taking Version B. O Hl is substantially more than u2, therefore we can be 95% confident that the average score for students taking Version A is substantially higher than for students taking Version B. u1 is substantially less than u2, therefore we can be 95% confident that the average score for students taking Version A is substantially less than for students taking Version B.
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