Repetitions using Vitamin C Patient Systolic blood pressure (before) 159 Systolic blood pressure (after) 17. Blood Pressure A pharmaceutical company guarantees that its new drug reduces systolic blood pressure. The table shows the systolic blood pressures (in millimeters of mercury) of eight patients before taking the new drug and two hours after taking the drug. At a 0.05, can you conclude that the new drug reduces systolic blood pressure? 1 2 122 264 1052 3 526 180 172 [+] 4 5 201 171 186 162 165 18. Blood Pressure The diastolic blood pre of nina 278 218 117 185 6 7 167 175 192 165 167 155 148 144 152 8 148 134
Repetitions using Vitamin C Patient Systolic blood pressure (before) 159 Systolic blood pressure (after) 17. Blood Pressure A pharmaceutical company guarantees that its new drug reduces systolic blood pressure. The table shows the systolic blood pressures (in millimeters of mercury) of eight patients before taking the new drug and two hours after taking the drug. At a 0.05, can you conclude that the new drug reduces systolic blood pressure? 1 2 122 264 1052 3 526 180 172 [+] 4 5 201 171 186 162 165 18. Blood Pressure The diastolic blood pre of nina 278 218 117 185 6 7 167 175 192 165 167 155 148 144 152 8 148 134
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Question
17- what is the claim? what is the p-value? what is the decision?
20 - what is the claim? what is the p-value? what is the decision?
Transcribed Image Text:6
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SECTION 83
backspace
enter
TESTING THE DIFFERENCE BETWEEN MEANS (DEPENDENT SAMPLES)
Participant
Repetitions
using placebo
Repetitions
using Vitamin C
Patient
Systolic blood
pressure (before)
Systolic blood
pressure (after)
Diastolic blood
pressure (after)
Consumer
1
Patient
Diastolic blood
pressure (before) 103
Rating (last year)
Rating (this year)
201
Manager
Rating (last month)
Rating (this month)
1
9
363 258
17. Blood Pressure A pharmaceutical company guarantees that its new drug
reduces systolic blood pressure. The table shows the systolic blood pressures
(in millimeters of mercury) of eight patients before taking the new drug and
two hours after taking the drug. At a = 0.05, can you conclude that the new
drug reduces systolic blood pressure?
1
5
159 122 264 1052
10 11
2
171
2
7
2
85
88
288
3
3
5 9 4
192 165 167 155 148 144 152 134
18. Blood Pressure The diastolic blood pressures (in millimeters of mercury)
of nine patients before taking a new drug and two hours after taking the drug
are shown in the table below. At a = 0.05, can you conclude that the new
drug reduces diastolic blood pressure?
2
186
1 2
3
122 106 112
12
4
4
3
526 180 172
6
13
5
4
9
14 15
162 165 167 175
218 117 185
5
6
125
19. Product Ratings A company wants to determine whether its consumer
und product ratings (0-10) have changed from last year to this year. The table
nidh shows the company's product ratings from the same eight consumers for last
year and this year. At a = 0.05, is there enough evidence to conclude that the
product ratings have changed?
98 121 107 105 108 89 102 114 101
6
#
278
97
5 6 7 8
9
10 8 7
9 9
8
96 70
85 89 86 92
7
3 4 5 6
81 78
76
89
8
7
469
148
8
20. Performance Ratings A manufacturing plant wants to determine whether
its manager performance ratings (0-100) have changed from last month to
this month. The table shows the plant's performance ratings from the same
six managers for last month and this month. At a = 0.05, is there enough
evidence to conclude that the plant's performance ratings have changed?
107 118
9
112
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