4. A study examining the relationship between weight of school children (4th to 6th graders) found a 95% confidenceinterval for the difference between the average number of school days missed by overweight and normal weight children(HoverweightUnormal) to be 1.3 to 2.8 days. Which of the following is true based on this confidence interval?At 5% significance level, the data do not provide convincing evidence of a difference between the average numberof missed days by overweight and normal weight children.We are 95% confident that overweight children on average miss 1.3 to 2.8 days more than children with normalweight.At 10% significance level, the data do not provide convincing evidence of a difference between the average numberof missed days by overweight and normal weight children.We are 95% confident that overweight children on average miss 1.3 to 2.8 days fewer than children with normalweight.5. When doing inference on a single mean, which of the following is the correct justification for using the t-distributionrather than the normal distribution?Because the standard error estimate may not be accurate.Because the t-distribution is not symmetric.All of the above.None of the above.

Answered: Image /qna-images/answer/b7c2a854-53eb-41e8-96b1-3379c72d9571.jpg

Answered: 4. A study examining the relationship…

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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