Q1: A study is conducted involving ten patients to investigate the relationship and effects of patient's age and their blood pressure. Use the following methods to investigate the association between the blood pressure and the age of patient 1. Correlation analysis ( correlation coefficient r) 2. Pearson correlation ( correlation coefficient r) 3. Spearman rank correlation ( correlation coefficient p) Age BP Obs xy x2 Required calculation 1 35 112 3920 1225 40 128 5120 1600 3. 38 130 4940 1444 Σx-491 4 44 138 6072 1936 Σν1410 5 67 158 10586 4489 10368 ΣΨ-71566 6. 64 162 4096 Ex² 7 140 8260 3481 = 26157 69 175 12075 4761 9. 25 125 3125 625 10 50 142 7100 2500 Total 491 1410 71566 26157
Q1: A study is conducted involving ten patients to investigate the relationship and effects of patient's age and their blood pressure. Use the following methods to investigate the association between the blood pressure and the age of patient 1. Correlation analysis ( correlation coefficient r) 2. Pearson correlation ( correlation coefficient r) 3. Spearman rank correlation ( correlation coefficient p) Age BP Obs xy x2 Required calculation 1 35 112 3920 1225 40 128 5120 1600 3. 38 130 4940 1444 Σx-491 4 44 138 6072 1936 Σν1410 5 67 158 10586 4489 10368 ΣΨ-71566 6. 64 162 4096 Ex² 7 140 8260 3481 = 26157 69 175 12075 4761 9. 25 125 3125 625 10 50 142 7100 2500 Total 491 1410 71566 26157
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question

Transcribed Image Text:Q1: A study is conducted involving ten patients to
investigate the relationship and effects of patient's
age and their blood pressure.
Use the following methods to investigate the
association between the blood pressure and the age
of patient
1. Correlation analysis ( correlation coefficient r)
2. Pearson correlation ( correlation coefficient r)
3. Spearman rank correlation ( correlation
coefficient p)
Age
BP
Obs
xy
x2
Required calculation
1
35
112
3920
1225
40
128
5120
1600
3
38
130
4940
1444
Σx-491
4
44
138
6072
1936
ΣΥ-1410
5
67
158
10586
4489
162
10368
4096
ΣΨ-11566
6
64
7
140
8260
3481
Ex? = 26157
69
175
12075
4761
6.
25
125
3125
625
10
50
142
7100
2500
Total
491
1410
71566
26157
2.
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