Question
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
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, 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
a)Relying on this data find:
the median
the lower and upper quartiles
the 90thpercentile
the interquartile range
the mean
the standard deviation
b) which approach (the mean and standard deviation or the median and interquartile range) better reflects the central tendency and variation for the given data.
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Financial Algebra advanced algebra with financial applications
Authors: Robert K. Gerver
1st edition
978-1285444857, 128544485X, 978-0357229101, 035722910X, 978-0538449670
