In Born together-Reared apart: the Landmark Minnesota twin study (2012), Nancy Segal discusses the efforts of research psychologists at the University of Minnesota to understand similarities and differences between twins by studying sets of twins who were raised separately. The Excel Online file below contains critical reading SAT scores for several pairs of identical twins (twins who share all of their genes), one of whom was raised in a family with no other children (no siblings) and one of whom was raised in a family with other children (with siblings). Construct a spreadsheet to answer the following questions. Open spreadsheet a. What is the mean difference between the critical reading SAT scores for the twins raised with no siblings and the twins raised with siblings? (to 2 decimals) 17.7 b. Provide a 90% confidence interval estimate of the mean difference between the critical reading SAT scores for the twins raised with no siblings and the twins raised with siblings. , 63.08 ) (to 2 decimals) (-27.68 c. Conduct a hypothesis test of equality of the critical reading SAT scores for the twins raised with no siblings and the twins raised with siblings. p-value is 0.5132 (to 4 decimals) At a = .05, what is your conclusion? Cannot conclude Check My Work that there is a difference between the mean scores for the no sibling and with sibling groups. Reset Problem
In Born together-Reared apart: the Landmark Minnesota twin study (2012), Nancy Segal discusses the efforts of research psychologists at the University of Minnesota to understand similarities and differences between twins by studying sets of twins who were raised separately. The Excel Online file below contains critical reading SAT scores for several pairs of identical twins (twins who share all of their genes), one of whom was raised in a family with no other children (no siblings) and one of whom was raised in a family with other children (with siblings). Construct a spreadsheet to answer the following questions. Open spreadsheet a. What is the mean difference between the critical reading SAT scores for the twins raised with no siblings and the twins raised with siblings? (to 2 decimals) 17.7 b. Provide a 90% confidence interval estimate of the mean difference between the critical reading SAT scores for the twins raised with no siblings and the twins raised with siblings. , 63.08 ) (to 2 decimals) (-27.68 c. Conduct a hypothesis test of equality of the critical reading SAT scores for the twins raised with no siblings and the twins raised with siblings. p-value is 0.5132 (to 4 decimals) At a = .05, what is your conclusion? Cannot conclude Check My Work that there is a difference between the mean scores for the no sibling and with sibling groups. Reset Problem
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 Born together-Reared apart: the Landmark Minnesota twin study (2012), Nancy Segal discusses the efforts of research psychologists at the University of Minnesota to understand
similarities and differences between twins by studying sets of twins who were raised separately. The Excel Online file below contains critical reading SAT scores for several pairs of
identical twins (twins who share all of their genes), one of whom was raised in a family with no other children (no siblings) and one of whom was raised in a family with other children
(with siblings). Construct a spreadsheet to answer the following questions.
X
Open spreadsheet
a. What is the mean difference between the critical reading SAT scores for the twins raised with no siblings and the twins raised with siblings?
(to 2 decimals)
17.7
b. Provide a 90% confidence interval estimate of the mean difference between the critical reading SAT scores for the twins raised with no siblings and the twins raised with siblings.
) (to 2 decimals)
c. Conduct a hypothesis test of equality of the critical reading SAT scores for the twins raised with no siblings and the twins raised with siblings.
(to 4 decimals)
(-27.68
I
p-value is 0.5132
At a = .05, what is your conclusion?
Cannot conclude
63.08
Check My Work
that there is a difference between the mean scores for the no sibling and with sibling groups.
Reset Problem](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc8514667-bf86-4079-a5fb-967fac7b38d7%2Fe43b277b-a584-4679-990c-017c7e47eb1f%2F1g34sl_processed.png&w=3840&q=75)
Transcribed Image Text:In Born together-Reared apart: the Landmark Minnesota twin study (2012), Nancy Segal discusses the efforts of research psychologists at the University of Minnesota to understand
similarities and differences between twins by studying sets of twins who were raised separately. The Excel Online file below contains critical reading SAT scores for several pairs of
identical twins (twins who share all of their genes), one of whom was raised in a family with no other children (no siblings) and one of whom was raised in a family with other children
(with siblings). Construct a spreadsheet to answer the following questions.
X
Open spreadsheet
a. What is the mean difference between the critical reading SAT scores for the twins raised with no siblings and the twins raised with siblings?
(to 2 decimals)
17.7
b. Provide a 90% confidence interval estimate of the mean difference between the critical reading SAT scores for the twins raised with no siblings and the twins raised with siblings.
) (to 2 decimals)
c. Conduct a hypothesis test of equality of the critical reading SAT scores for the twins raised with no siblings and the twins raised with siblings.
(to 4 decimals)
(-27.68
I
p-value is 0.5132
At a = .05, what is your conclusion?
Cannot conclude
63.08
Check My Work
that there is a difference between the mean scores for the no sibling and with sibling groups.
Reset Problem
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Transcribed Image Text:C1
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File
9
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Home
A
SAT Score
No Siblings
468
637
555
368
370
423
538
654
533
659
615
613
506
624
569
677
552
542
507
585
Insert
Arial
fx
Draw Page Layout
B
SAT Score With
Siblings
424
552
613
402
503
492
479
510
429
669
448
605
462
575
513
646
542
650
533
594
✓ 10
с
B
D
Formulas
M
E
Data
F
Review
View
叩く ab
G
H
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