for patiens <65sample sizemean pain scorestd devnew medication4025.30 2.44standard medication2545.511.83total6533.0710.16 for patients =>65sample sizemean pain scorestd devnew medication2040.332.16stand medication3559.802.49total5652.729.74 Run the tests of hypothesis to determine whether age is related to treatment assignments and whether there is a significant difference in mean pain scores by age group. Use excel if possible.

To determine whether age is related to treatment assignments, we can perform a chi-square test of…

Answered: for patiens <65 sample size mean pain…

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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for patiens <65	sample size	mean pain score	std dev
new medication	40	25.30	2.44
standard medication	25	45.51	1.83
total	65	33.07	10.16

for patients =>65	sample size	mean pain score	std dev
new medication	20	40.33	2.16
stand medication	35	59.80	2.49
total	56	52.72	9.74

Run the tests of hypothesis to determine whether age is related to treatment assignments and whether there is a significant difference in mean pain scores by age group. Use excel if possible.

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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