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The authors of a paper compared two different instruments for measuring a person's capacity for breathing out air. (This measurement is helpful in diagnosing various lung disorders.) Th 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. The Wright meter is thought to provide a better measure of air flow, but the mini-Wright meter is easier to transport and to use. Use of the mini-Wright meter could be recommended as long as there is not convincing evidence that the mean reading for the mini-Wright meter is different from the mean reading for Wright meter. For purposes of this exercise, you can assume that it is reasonable to consider the 17 people who participated in this study as representative of the population of interest. Data values from this paper are given in the accompanying table. Mini Wright Wright Subject Meter Meter 1 513 494 2 430 395 3 520 516 4 428 434 5 500 476 6 600 557 7 364 413 8 380 442 9 658 650 10 442 433 11 432 417 12 626 656 13 260 267 14 477 478 15 259 178 16 17 350 451 423 420 Use the given data to determine if there is convincing evidence that the mean reading differs for the two instruments. (Use a statistical computer package to calculate the P-value. Use Hd="mini-Wright Wright Round your test statistic to two decimal places, your df down to the nearest whole number, and your P-value to three decimal places.) t = df= P-value =

The authors of a paper compared two different instruments for measuring a person's capacity for breathing out air. (This measurement is helpful in diagnosing various lung disorders.) Th 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. The Wright meter is thought to provide a better measure of air flow, but the mini-Wright meter is easier to transport and to use. Use of the mini-Wright meter could be recommended as long as there is not convincing evidence that the mean reading for the mini-Wright meter is different from the mean reading for Wright meter. For purposes of this exercise, you can assume that it is reasonable to consider the 17 people who participated in this study as representative of the population of interest. Data values from this paper are given in the accompanying table. Mini Wright Wright Subject Meter Meter 1 513 494 2 430 395 3 520 516 4 428 434 5 500 476 6 600 557 7 364 413 8 380 442 9 658 650 10 442 433 11 432 417 12 626 656 13 260 267 14 477 478 15 259 178 16 17 350 451 423 420 Use the given data to determine if there is convincing evidence that the mean reading differs for the two instruments. (Use a statistical computer package to calculate the P-value. Use Hd="mini-Wright Wright Round your test statistic to two decimal places, your df down to the nearest whole number, and your P-value to three decimal places.) t = df= P-value =

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.1: Measures Of Center
Problem 27PFA
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11.2.3

State your conclusion. We reject Ho. We have convincing evidence that the mean reading differs for the two instruments. We do not reject Ho. We have convincing evidence that the mean reading differs for the two instruments. We do not reject Ho. We not have convincing evidence that the mean reading differs for the two instruments. ○ We reject Ho. We not have convincing evidence that the mean reading differs for the two instruments.
Transcribed Image Text:State your conclusion. We reject Ho. We have convincing evidence that the mean reading differs for the two instruments. We do not reject Ho. We have convincing evidence that the mean reading differs for the two instruments. We do not reject Ho. We not have convincing evidence that the mean reading differs for the two instruments. ○ We reject Ho. We not have convincing evidence that the mean reading differs for the two instruments.
The authors of a paper compared two different instruments for measuring a person's capacity for breathing 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. The Wright meter is thought to provide a better measure of air flow, but the mini-Wright meter is easier to transport and to use. Use of the mini-Wright meter could be recommended as long as there is not convincing evidence that the mean reading for the mini-Wright meter is different from the mean reading for Wright meter. For purposes of this exercise, you can assume that it is reasonable to consider the 17 people who participated in this study as representative of the population of interest. Data values from this paper are given in the accompanying table. Mini Wright Wright Subject Meter Meter 1 513 494 23456789 430 395 520 516 428 434 500 476 600 557 364 413 380 442 658 650 10 442 433 11 432 417 12 626 656 13 260 267 14 477 478 15 259 178 16 350 17 451 423 420 Use the given data to determine if there is convincing evidence that the mean reading differs for the two instruments. (Use a statistical computer package to calculate the P-value. Use Md="mini-Wright - "Wright Round your test statistic to two decimal places, your df down to the nearest whole number, and your P-value to three decimal places.) t = df = P-value =
Transcribed Image Text:The authors of a paper compared two different instruments for measuring a person's capacity for breathing 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. The Wright meter is thought to provide a better measure of air flow, but the mini-Wright meter is easier to transport and to use. Use of the mini-Wright meter could be recommended as long as there is not convincing evidence that the mean reading for the mini-Wright meter is different from the mean reading for Wright meter. For purposes of this exercise, you can assume that it is reasonable to consider the 17 people who participated in this study as representative of the population of interest. Data values from this paper are given in the accompanying table. Mini Wright Wright Subject Meter Meter 1 513 494 23456789 430 395 520 516 428 434 500 476 600 557 364 413 380 442 658 650 10 442 433 11 432 417 12 626 656 13 260 267 14 477 478 15 259 178 16 350 17 451 423 420 Use the given data to determine if there is convincing evidence that the mean reading differs for the two instruments. (Use a statistical computer package to calculate the P-value. Use Md="mini-Wright - "Wright Round your test statistic to two decimal places, your df down to the nearest whole number, and your P-value to three decimal places.) t = df = P-value =
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