Compare the standard error from part (1) to the standard errorobtained in part (2) How did the different study designs affect theoutcome of each hypothesis test? Answer these in two or three sentences.1) DifferenceMeanStd. Err.DFT-StatP-value2018 - 2017-2059.83331013.684411-2.03202640.0672) DifferenceSample Diff.Std. Err.DFT-StatP-valueμ1 - μ2-1635.58333770.182221.894852-0.433820770.6687

The outcome of the two study designs are given below: Difference Mean Std. Error DF T-Stat…

Answered: Compare the standard error from part…

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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Question

Compare the standard error from part (1) to the standard error
obtained in part (2) How did the different study designs affect the
outcome of each hypothesis test? Answer these in two or three sentences.

Difference	Mean	Std. Err.	DF	T-Stat	P-value
2018 - 2017	-2059.8333	1013.6844	11	-2.0320264	0.067

Difference	Sample Diff.	Std. Err.	DF	T-Stat	P-value
μ₁ - μ₂	-1635.5833	3770.1822	21.894852	-0.43382077	0.6687

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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