3. One indicator of physical fitness is resting pulse rate. Ten men were randomly selected to test an exercise device advertised on television by using it 3 times a week for 20 minutes. Their resting pulse rates (beats per minute) were measured before the test began, and then again after 6 weeks. Results are shown in the table below. Assuming differences are Normally distributed, is there evidence that this kind of exercise can reduce resting pulse rates? Use a 1% level of significance. Subject Allen Brandon Carlos David Pulse rate before (bpm) Pulse rate after (bpm) 75 73 81 79 82 81 87 86 Edwin 91 87 Franco 99 91 Graeme 87 84 Hans 85 83 Ivan 83 84 Jorge 79 76 a. State the null and alternative hypotheses b. What calculator test will you use? List the requirements that must be met to use this test, and indicate whether the conditions are met in this problem. c. Run the calculator test and obtain the P-value. d. Based on your P-value, will you reject or fail to reject the null hypothesis? e. Interpret your conclusion from part d in the context of this problem.

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.ll Verizon
2:09 PM
@ 31%
Chapter 9 and 10...
3. One indicator of physical fitness is resting pulse rate. Ten men were randomly selected to test
an exercise device advertised on television by using it 3 times a week for 20 minutes. Their
resting pulse rates (beats per minute) were measured before the test began, and then again
after 6 weeks. Results are shown in the table below. Assuming differences are Normally
distributed, is there evidence that this kind of exercise can reduce resting pulse rates? Use a 1%
level of significance.
Pulse rate after (bpm)
Pulse rate before (bpm)
|75
Subject
Allen
73
Brandon
81
79
Carlos
82
81
David
87
86
Edwin
91
87
Franco
99
91
Graeme
84
Hans
85
83
Ivan
83
84
Jorge
79
76
a.
State the null and alternative hypotheses
Ho:
H,:
b. What calculator test will you use? List the requirements that must be met to use this test,
and indicate whether the conditions are met in this problem.
c. Run the calculator test and obtain the P-value.
d. Based on your P-value, will you reject or fail to reject the null hypothesis?
e. Interpret your conclusion from part d in the context of this problem.
3
000
00
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Calendar
To Do
Notifications
Inbox
因
Transcribed Image Text:.ll Verizon 2:09 PM @ 31% Chapter 9 and 10... 3. One indicator of physical fitness is resting pulse rate. Ten men were randomly selected to test an exercise device advertised on television by using it 3 times a week for 20 minutes. Their resting pulse rates (beats per minute) were measured before the test began, and then again after 6 weeks. Results are shown in the table below. Assuming differences are Normally distributed, is there evidence that this kind of exercise can reduce resting pulse rates? Use a 1% level of significance. Pulse rate after (bpm) Pulse rate before (bpm) |75 Subject Allen 73 Brandon 81 79 Carlos 82 81 David 87 86 Edwin 91 87 Franco 99 91 Graeme 84 Hans 85 83 Ivan 83 84 Jorge 79 76 a. State the null and alternative hypotheses Ho: H,: b. What calculator test will you use? List the requirements that must be met to use this test, and indicate whether the conditions are met in this problem. c. Run the calculator test and obtain the P-value. d. Based on your P-value, will you reject or fail to reject the null hypothesis? e. Interpret your conclusion from part d in the context of this problem. 3 000 00 Dashboard Calendar To Do Notifications Inbox 因
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