4) State your conclusion (reject or not?) and your interpretation of this conclusion. What does this outcome mean in the context of the problem? Use complete sentences.5) Provide a 95% confidence intervals with interpretations. You now have two samples, so you can either produce an interval for each, or an interval for the difference. Either way, this will influence the way you interpret them. Use complete sentences. Effect of Siblings on SAT Scores. In Born Together-Reared Apart: The LandmarkMinnesota Twin Study (http://www.hup.harvard.edu/catalog.php?isbn=9780674055469;,Naney Segal discusses the efforts of research psychologists at the University of Min-nesota to understand similarities and differences between twins by studying sets oftwins who were raised separately. Below are critical reading SAT scores for severalpairs of identical twins (twins who share all of their genes), one of whom was raised ina family with no other children (no siblings) and one of whom was raised in a familywith other children (with siblings).

Null and alternate hypotheses: The data represents the critical reading SAT scores for several pairs…

Answered: Effect of Siblings on SAT Scores. In…

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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4) State your conclusion (reject or not?) and your interpretation of this conclusion. What does this outcome mean in the context of the problem? Use complete sentences.

5) Provide a 95% confidence intervals with interpretations. You now have two samples, so you can either produce an interval for each, or an interval for the difference. Either way, this will influence the way you interpret them. Use complete sentences.

Effect of Siblings on SAT Scores. In Born Together-Reared Apart: The Landmark
Minnesota Twin Study (http://www.hup.harvard.edu/catalog.php?isbn=9780674055469;,
Naney Segal discusses the efforts of research psychologists at the University of Min-
nesota to understand similarities and differences between twins by studying sets of
twins who were raised separately. Below are 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).

Definition Definition Measure of central tendency that is the average of a given data set. The mean value is evaluated as the quotient of the sum of all observations by the sample size. The mean, in contrast to a median, is affected by extreme values. Very large or very small values can distract the mean from the center of the data. Arithmetic mean: The most common type of mean is the arithmetic mean. It is evaluated using the formula: μ = 1 N ∑ i = 1 N x i Other types of means are the geometric mean, logarithmic mean, and harmonic mean. Geometric mean: The nth root of the product of n observations from a data set is defined as the geometric mean of the set: G = x 1 x 2 ... x n n Logarithmic mean: The difference of the natural logarithms of the two numbers, divided by the difference between the numbers is the logarithmic mean of the two numbers. The logarithmic mean is used particularly in heat transfer and mass transfer. ln x 2 − ln x 1 x 2 − x 1 Harmonic mean: The inverse of the arithmetic mean of the inverses of all the numbers in a data set is the harmonic mean of the data. 1 1 x 1 + 1 x 2 + ...

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