Systolic blood pressure was measured
in a group of 30 patients diagnosed with hypertension:
Patient No.
1
2
3
4
5
6
7
8
9
10
Blood pressure,...
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Advance Math
Systolic blood pressure was measuredin a group of 30 patients diagnosed with hypertension:
Patient No.
1
2
3
4
5
6
7
8
9
10
Blood pressure, mmHg
155
138
126
152
164
142
128
132
170
145
Patient No.
11
12
13
14
15
16
17
18
19
20
Blood pressure, mmHg
129
122
128
127
141
132
127
145
138
138
Patient No.
21
22
23
24
25
26
27
28
29
30
Blood pressure, mmHg
127
147
120
125
132
123
138
182
120
158
Relying on this data find:
the median
the lower and upper quartiles
the 90thpercentile
the interquartile range
the mean
the standard deviation
Discuss which approach (the mean and standard deviation or themedian and interquartile range) better reflects the centraltendency and variation for the given data.
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