An experiment has been conducted to investigate the effects of carbon monoxide in the breathing capability of human. The claim was breathing frequency is higher in the presence of CO. The data below shows the result of the experiment. Assume that breathing frequency is approximately normal. . Breathing Frequency (Breaths taken per minute) Subject With CO Without CO 1 30 30 45 40 26 25 4 25 23 34 30 6. 51 49 7 46 41 8 32 35 9 30 28 a. What should be the good hypotheses for this problem? b. At 0.05 level, what is the critical region? c. What is the t-value/z-score? d. Is the claim true at 0.05 level?
An experiment has been conducted to investigate the effects of carbon monoxide in the breathing capability of human. The claim was breathing frequency is higher in the presence of CO. The data below shows the result of the experiment. Assume that breathing frequency is approximately normal. . Breathing Frequency (Breaths taken per minute) Subject With CO Without CO 1 30 30 45 40 26 25 4 25 23 34 30 6. 51 49 7 46 41 8 32 35 9 30 28 a. What should be the good hypotheses for this problem? b. At 0.05 level, what is the critical region? c. What is the t-value/z-score? d. Is the claim true at 0.05 level?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter4: Equations Of Linear Functions
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EXERCISE 1.4
Transcribed Image Text:An experiment has been conducted to investigate the effects of carbon monoxide in the breathing
capability of human. The claim was breathing frequency is higher in the presence of CO. The data below
shows the result of the experiment. Assume that breathing frequency is approximately normal. .
Breathing Frequency
(Breaths taken per minute)
Subject
With CO
Without CO
1
30
30
2
45
40
3
26
25
4
25
23
5
34
30
6
51
49
7
46
41
8.
32
35
9
30
28
a. What should be the good hypotheses for this problem?
b. At 0.05 level, what is the critical region?
c. What is the t-value/z-score?
d. Is the claim true at 0.05 level?
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