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Do cash incentives improve learning? A high-school reacher in a low-income urban school in Worcester, Massachusetts, used cash incentives to encourage stu- ent learning in his AP statistics class.28 In 2010, 15 of e 61 students enrolled in his class scored a 5 on the P statistics exam. Worldwide, the proportion of stu- nts who scored a 5 in 2010 was 0.15. Is this evidence = the proportion of studento ub

Do cash incentives improve learning? A high-school reacher in a low-income urban school in Worcester, Massachusetts, used cash incentives to encourage stu- ent learning in his AP statistics class.28 In 2010, 15 of e 61 students enrolled in his class scored a 5 on the P statistics exam. Worldwide, the proportion of stu- nts who scored a 5 in 2010 was 0.15. Is this evidence = the proportion of studento ub

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter11: Data Analysis And Displays
Section11.3: Shapes Of Distributions
Problem 14E
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as a mple of readers.) 22.38 Do cash incentives improve learning? A high-school teacher in a low-income urban school in Worcester, 4step Massachusetts, used cash incentives to encourage stu- dent learning in his AP statistics class.28 In 2010, 15 of the 61 students enrolled in his class scored a 5 on the AP statistics exam. Worldwide, the proportion of stu- dents who scored a 5 in 2010 was 0.15. Is this evidence that the proportion of students who would score a 5 on the AP statistics exam when taught by the teacher in Worcester using cash incentives is higher than the worldwide proportion of 0.15? (a) State hypotheses, find the P-value, and give your conclusions in the context of the problem. Do you have any reservations about using the z test for pro- portions for this data?
Transcribed Image Text:as a mple of readers.) 22.38 Do cash incentives improve learning? A high-school teacher in a low-income urban school in Worcester, 4step Massachusetts, used cash incentives to encourage stu- dent learning in his AP statistics class.28 In 2010, 15 of the 61 students enrolled in his class scored a 5 on the AP statistics exam. Worldwide, the proportion of stu- dents who scored a 5 in 2010 was 0.15. Is this evidence that the proportion of students who would score a 5 on the AP statistics exam when taught by the teacher in Worcester using cash incentives is higher than the worldwide proportion of 0.15? (a) State hypotheses, find the P-value, and give your conclusions in the context of the problem. Do you have any reservations about using the z test for pro- portions for this data?
(b) Does this study provide evidence that cash incen- tives cause an increase in the proportion of 5s on the AP statistics exam? Explain your answer.
Transcribed Image Text:(b) Does this study provide evidence that cash incen- tives cause an increase in the proportion of 5s on the AP statistics exam? Explain your answer.
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