Suppose that you are asked to conduct a study to determine whether smaller class sizes lead to improved student performance of fourth graders.(i) If you could conduct any experiment you want, what would you do? Be specific.(ii) More realistically, suppose you can collect observational data on several thousand fourth graders in a given state. You can obtain the size of their fourth-grade class and a standardized test score taken at the end of fourth grade. Why might you expect a negative correlation betweenclass size and test score?(iii) Would a negative correlation necessarily show that smaller class sizes cause betterperformance? Explain.
Suppose that you are asked to conduct a study to determine whether smaller class sizes lead to improved student performance of fourth graders.(i) If you could conduct any experiment you want, what would you do? Be specific.(ii) More realistically, suppose you can collect observational data on several thousand fourth graders in a given state. You can obtain the size of their fourth-grade class and a standardized test score taken at the end of fourth grade. Why might you expect a negative correlation betweenclass size and test score?(iii) Would a negative correlation necessarily show that smaller class sizes cause betterperformance? Explain.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section: Chapter Questions
Problem 8SGR
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Suppose that you are asked to conduct a study to determine whether smaller class sizes lead to improved student performance of fourth graders.
(i) If you could conduct any experiment you want, what would you do? Be specific.
(ii) More realistically, suppose you can collect observational data on several thousand fourth graders in a given state. You can obtain the size of their fourth-grade class and a standardized test score taken at the end of fourth grade. Why might you expect a
class size and test score?
(iii) Would a negative correlation necessarily show that smaller class sizes cause better
performance? Explain.
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