A 2013 study was conducted to determine the energy requirements in non-obese men and women for the purpose of maintaining their current weight. The overall average total daily energy expenditure was 2,443 kcal/d. Assuming this variable follows a normal distribution with standard deviation of 397 kcal/d, conduct a test of significance to determine if this differs from a more recent study in which 95 randomly selected men and women (who claimed to have maintained their weight and body composition for a year) were measured. The sample mean is found to be 2,342 kcal/d. Use 5% level of significance. (Source: for the CALERIE Study Group, Energy requirements in nonobese men and women: results from CALERIE, The American Journal of Clinical Nutrition, Volume 99, Issue 1, January 2014, Pages 71-78, https://doi.org/10.3945/ajcn.113.065631) What is the value of the Z-test statistic? -0.25 -2.01 -2.48 -1.06 -3.41
A 2013 study was conducted to determine the energy requirements in non-obese men and women for the purpose of maintaining their current weight. The overall average total daily energy expenditure was 2,443 kcal/d. Assuming this variable follows a normal distribution with standard deviation of 397 kcal/d, conduct a test of significance to determine if this differs from a more recent study in which 95 randomly selected men and women (who claimed to have maintained their weight and body composition for a year) were measured. The sample mean is found to be 2,342 kcal/d. Use 5% level of significance. (Source: for the CALERIE Study Group, Energy requirements in nonobese men and women: results from CALERIE, The American Journal of Clinical Nutrition, Volume 99, Issue 1, January 2014, Pages 71-78, https://doi.org/10.3945/ajcn.113.065631) What is the value of the Z-test statistic? -0.25 -2.01 -2.48 -1.06 -3.41
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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