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In a study about learning styles, researchers used a group of 64 elementary school students who volunteered to be part of the study. The researchers gave each student a pre-test and based upon the results, they divided them into 32 pairs of similarly scoring students. School administrators then randomly assigned one student from each pair to mathematics instruction online while the other student received in-person instruction in a traditional classroom. At the end of the year, all 64 students received a mathematics assessment, measured on a 100-point scale.   The researchers calculated the difference (in person −− online) in the mathematics assessment scores for

In a study about learning styles, researchers used a group of 64 elementary school students who volunteered to be part of the study. The researchers gave each student a pre-test and based upon the results, they divided them into 32 pairs of similarly scoring students. School administrators then randomly assigned one student from each pair to mathematics instruction online while the other student received in-person instruction in a traditional classroom. At the end of the year, all 64 students received a mathematics assessment, measured on a 100-point scale.   The researchers calculated the difference (in person −− online) in the mathematics assessment scores for

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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In a study about learning styles, researchers used a group of 64 elementary school students who volunteered to be part of the study. The researchers gave each student a pre-test and based upon the results, they divided them into 32 pairs of similarly scoring students. School administrators then randomly assigned one student from each pair to mathematics instruction online while the other student received in-person instruction in a traditional classroom. At the end of the year, all 64 students received a mathematics assessment, measured on a 100-point scale.
 
The researchers calculated the difference (in person −− online) in the mathematics assessment scores for each pair of students. The 32 differences had a mean of 15 and a standard deviation of 3.9 points.
 
Construct and interpret a 95% confidence interval for the mean difference (in person −− online) in the mathematics assessment scores for all pairs of students like these who learn math either face-to-face or online.
PLAN: Select 3 true statements. Name: t CI for Hdiff Name: t CI for µi – µ2 Name: t CI for x diff Name: t CI for x1 – x2 Random: This is a random sample of 32 differences in Random: The random condition is not met. assessment scores. Random: The students in each pair are randomly assigned Normal/Large Sample: ndiff 32 > 30. %3D to in-person or online instruction. Normal/Large Sample: This is not met because the number of differences is small.
Transcribed Image Text:PLAN: Select 3 true statements. Name: t CI for Hdiff Name: t CI for µi – µ2 Name: t CI for x diff Name: t CI for x1 – x2 Random: This is a random sample of 32 differences in Random: The random condition is not met. assessment scores. Random: The students in each pair are randomly assigned Normal/Large Sample: ndiff 32 > 30. %3D to in-person or online instruction. Normal/Large Sample: This is not met because the number of differences is small.
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