Answered: How do a paired-sample design and an…

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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1. How do a paired-sample design and an independent-sample design differ?

2. A man measures his heart rate before using a treadmill and then after walking on a treadmill for 10 minutes on 7 separate days. His mean heart rate at baseline and 10 minutes after treadmill use is 85 and 93 beats per minute (bpm). The mean change in bpm is 8 with a standard deviation of 6.

a. What test can we use to compare pre- and post- treadmill bpm?

b. Implement the test and report a two-tailed p value

c. Provide a 90% Confidence Interval for the mean change in heart rate after using the treadmill

d. What is your overall conclusion?

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