Nine students held their breath, once after breathing normally and relaxing for one minute, and once after hyperventilating for one minute. The table indicates how long in seconds they were able to hold their breath. Find the correlation coefficient r, then test the significance of the correlation coefficient between normal and hyperventilating times using α = 0.05. What proportion of the variation in hyperventilating breath holding time can be explained by the variation in normal breath holding time? Subject A B C D E F G H I Normal 56 56 65 65 50 25 87 44 35 Hypervent 87 91 85 91 75 28 122 66 58
Nine students held their breath, once after breathing normally and relaxing for one minute, and once after hyperventilating for one minute. The table indicates how long in seconds they were able to hold their breath. Find the correlation coefficient r, then test the significance of the correlation coefficient between normal and hyperventilating times using α = 0.05. What proportion of the variation in hyperventilating breath holding time can be explained by the variation in normal breath holding time? Subject A B C D E F G H I Normal 56 56 65 65 50 25 87 44 35 Hypervent 87 91 85 91 75 28 122 66 58
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 23PPS
Related questions
Question
Nine students held their breath, once after breathing normally and relaxing for one minute, and once after hyperventilating for one minute. The table indicates how long in seconds they were able to hold their breath. Find the correlation coefficient r, then test the significance of the correlation coefficient between normal and hyperventilating times using α = 0.05. What proportion of the variation in hyperventilating breath holding time can be explained by the variation in normal breath holding time?
Subject
A
B
C
D
E
F
G
H
I
Normal
56
56
65
65
50
25
87
44
35
Hypervent
87
91
85
91
75
28
122
66
58
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