Answered: The authors of the paper "Statistical…

Name: The authors of the paper "Statistical Methods for Assessing Agreement
Uploaded: 2024-03-20T07:07:12.000Z
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Description: The authors of the paper "Statistical Methods for Assessing Agreement Between Two Methods of Clinical Measurement"† compared two different instruments for measuring a person's ability to breathe out air. (This measurement is helpful in diagnosing var

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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The authors of the paper "Statistical Methods for Assessing Agreement Between Two Methods of Clinical Measurement"† compared two different instruments for measuring a person's ability to breathe out air. (This measurement is helpful in diagnosing various lung disorders.) The two instruments considered were a Wright peak flow meter and a mini-Wright peak flow meter. Seventeen people participated in the study, and for each person air flow was measured once using the Wright meter and once using the mini-Wright meter.

Subject	Mini- Wright Meter	Wright Meter	Subject	Mini- Wright Meter	Wright Meter
1	512	494	10	445	433
2	430	395	11	432	417
3	520	516	12	626	656
4	428	434	13	260	267
5	500	476	14	477	478
6	600	557	15	259	178
7	364	413	16	350	423
8	380	442	17	451	427
9	658	650

(a)

Suppose that the Wright meter is considered to provide a better measure of air flow, but the mini-Wright meter is easier to transport and to use. If the two types of meters produce different readings but there is a strong relationship between the readings, it would be possible to use a reading from the mini-Wright meter to predict the reading that the larger Wright meter would have given. Use the given data to find an equation to predict y = Wright meter reading using a reading from the mini-Wright meter. (Round your values to three decimal places.)

ŷ = +

(b)

What would you predict for the Wright meter reading of a person whose mini-Wright meter reading was 528? (Round your answer to three decimal places.)

(c)

What would you predict for the Wright meter reading of a person whose mini-Wright meter reading was 344? (Round your answer to three decimal places.)

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