Problem 3 Sample Size for Two Independent Samples Continuous Outcome Comparison between two diets in obese children one low-fat and one low-carb 8 week intervention with the outcome of weight loss Based on a similar study in adults, 20 % of the children will not complete the study For a 95% confidence interval with a margin of error of no more than 3 lbs., how many children should be recruited? In the adult trial, the low-fat and low-carb groups had a standard deviations of 8.4 and 7.7, respectively and each group had 100 participants A. Calculate the pooled standard deviation (Sp) B. Calculate the number of children will need to be recruited for the trial if all finish the study use the Sp calculated for the standard deviation? C. How many children would be needed to account for 20% attrition? E-3

Problem 3 Sample Size for Two Independent Samples Continuous Outcome Comparison between two diets in obese children one low-fat and one low-carb 8 week intervention with the outcome of weight loss Based on a similar study in adults, 20 % of the children will not complete the study For a 95% confidence interval with a margin of error of no more than 3 lbs., how many children should be recruited? In the adult trial, the low-fat and low-carb groups had a standard deviations of 8.4 and 7.7, respectively and each group had 100 participants A. Calculate the pooled standard deviation (Sp) B. Calculate the number of children will need to be recruited for the trial if all finish the study use the Sp calculated for the standard deviation? C. How many children would be needed to account for 20% attrition? E-3

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Description: Problem 3 Problem 3 Sample Size for Two IndependentSamples Continuous OutcomeComparison between two diets in obese children one low-fat and one low-carb 8week intervention with the outcome of weight lossBased on a similar study in adults, 20 % of the

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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Concept explainers

Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.

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