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Question: IQ scores are measured from 30 children who participated in Head Start and from 32 otherwise comparable children who did not participate in Head Start. The mean for the Head Start group is 103, the mean for the No Head Start Group is 95, and the standard error of the difference between the means is 4. Deas Head Start have a significant effect on IQ? Would a correlated (repeated measures) test be used or a test for independent groups? The critical value at 0.05 for a directional test is 1.671

Question: IQ scores are measured from 30 children who participated in Head Start and from 32 otherwise comparable children who did not participate in Head Start. The mean for the Head Start group is 103, the mean for the No Head Start Group is 95, and the standard error of the difference between the means is 4. Deas Head Start have a significant effect on IQ? Would a correlated (repeated measures) test be used or a test for independent groups? The critical value at 0.05 for a directional test is 1.671

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 24PFA
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Question: IQ scores are measured from 30 children who participated in Head Start and from 32 otherwise comparable children who did not participate in Head Start. The mean for the Head Start group is 103, the mean for the No Head Start Group is 95, and the standard error of the difference between the means is 4. Deas Head Start have a significant effect on IQ? Would a correlated (repeated measures) test be used or a test for independent groups? The critical value at 0.05 for a directional test is 1.671
Transcribed Image Text:Question: IQ scores are measured from 30 children who participated in Head Start and from 32 otherwise comparable children who did not participate in Head Start. The mean for the Head Start group is 103, the mean for the No Head Start Group is 95, and the standard error of the difference between the means is 4. Deas Head Start have a significant effect on IQ? Would a correlated (repeated measures) test be used or a test for independent groups? The critical value at 0.05 for a directional test is 1.671
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