In a study designed to test the "truth" to the theory that, on average, U.S. adults gain weight between Thanksgiving and January a research team looked at responses from 8 randomly selected U.S. adults. The subjects were weighed (lb) on the day before Thanksgiving and again on January 3rd The raw data are found in Table 1. Let ? = 0.025 Pre-Thanksgiving168.2173.5164.3166.4167.6164.9172.1169.8Jan. 3rd173.3159.9175.4172.1174.8169.7177.3164.5Diff5.1-13.611.15.77.24.85.2-5.3C) The point estimate for the true standard deviation of the weight gain that U.S. adults have from Thanksgiving until Jan. 3 is:E) The test statistic for this data set isF) The P-value for this study is:

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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 a study designed to test the "truth" to the theory that, on average, U.S. adults gain weight between Thanksgiving and January a research team looked at responses from 8 randomly selected U.S. adults. The subjects were weighed (lb) on the day before Thanksgiving and again on January 3rd The raw data are found in Table 1. Let ? = 0.025

Pre-Thanksgiving	168.2	173.5	164.3	166.4	167.6	164.9	172.1	169.8
Jan. 3^rd	173.3	159.9	175.4	172.1	174.8	169.7	177.3	164.5
Diff	5.1	-13.6	11.1	5.7	7.2	4.8	5.2	-5.3

C) The point estimate for the true standard deviation of the weight gain that U.S. adults have from Thanksgiving until Jan. 3 is:

E) The test statistic for this data set is

F) The P-value for this study is:

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