Question
Imagine Haemoglobin levels of every participant in the study had been measured by three different methods. The variables are HB1, HB2, and HB3. Test whether
Imagine Haemoglobin levels of every participant in the study had been measured by three different methods. The variables are HB1, HB2, and HB3.
Test whether HB1 and HB2 differ significantly using the correct test. Also report the correct central measure and corresponding variation around the central measure (either median and 95% confidence interval or median and interquartile range)
Test whether HB1 and HB3 differ significantly using the correct test. Also report the correct central measure and corresponding variation around the central measure (either median and 95% confidence interval or median and interquartile range)
HB1
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13
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15
11
15
13
17
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12
15
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17
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10
14
15
13
11
15
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16
12
14
13
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16
14
9
14
14
11
9
14
15
13
18
13
10
12
5
12
11
13
10
16
17
15
14
17
15
10
15
11
17
15
14
17
12
14
11
12
11
20
14
10
15
13
16
13
16
11
16
18
9
16
12
12
19
8
15
13
17
10
10
17
13
18
14
10
9
12
11
14
15
19
15
14
12
14
12
9
15
22
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22
11
15
12
14
17
12
16
17
15
11
15
13
18
12
15
17
14
14
11
11
14
13
13
14
15
13
9
14
14
16
15
12
16
12
17
12
15
12
15
17
11
16
16
20
12
16
16
17
15
14
19
16
13
12
14
17
18
9
14
12
13
16
11
17
17
15
7
17
10
13
14
14
17
10
13
15
10
13
20
14
15
15
17
15
13
16
16
17
13
17
13
10
14
12
16
15
10
21
17
16
11
15
10
13
15
14
15
16
10
13
18
15
16
14
16
14
14
15
15
14
14
15
13
10
15
16
17
15
14
12
14 HB2
16
13
13
15
14
12
13
11
13
9
16
11
12
15
13
16
12
14
16
16
11
12
12
16
14
10
17
13
15
15
14
14
11
20
19
16
13
13
12
14
16
17
12
14
11
17
16
15
15
15
10
16
14
18
17
13
17
13
14
11
12
15
15
10
16
11
11
13
12
12
15
14
16
14
17
16
11
15
8
17
12
12
12
10
13
18
16
11
15
11
14
11
13
15
12
14
16
17
16
12
17
17
13
9
19
13
15
16
17
16
13
10
15
13
17
14
16
17
16
17
17
18
16
12
14
11
16
17
12
12
15
12
14
11
13
16
16
16
15
15
15
13
14
14
13
14
16
16
15
12
10
14
10
15
14
13
15
17
15
14
12
16
15
15
17
14
18
14
11
13
11
12
16
14
11
16
16
14
15
17
15
15
13
13
18
14
14
12
14
14
13
11
14
19
12
17
12
12
13
16
15
13
16
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12
14
10
15
14
16
13
18
15
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16
15
12
13
13
14
15
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18
17
13
12
13
13
14
16
12
11
15
16
16
13
13
11
15
14
15
12
17
17
12
13
14
14
11
14
16
10
15
9
15
14
15
16
12
9
9
15
17
18
18
15
14
11
12
11
19
10
18
13
15
14
14
14
16
14
14
15
19
15
13
14
17
11
11
13
16
16
13
13
13
16
17
15
17
17
13
10
14
14
14
15
15
13
13
14
14
12
14
19
13
14
13
18
14
18
14
12
14
17
14
20
14
14
19
10
14
14
17
19
14
12
14
17
15
16
9
16
14
15
11
11
15
19
13
16
15
16
17
11
11
9
14
14
10
16
17
15
13
13
14
12
8
18
12
13
14
15
12
16
13
14
20
14
11
11
13
16
13
16
15
12
13
17
11
16
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14
13
16
8
16
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18
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11
11
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11
11
19
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11
14
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12
14
10
18
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18
11
13
10
15
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17
13
14
18
12
15
19
12
13
13
13
14
14
16
11
11
16
14
17
13
17
16
11 HB3
13
13
12
16
13
11
10
13
12
14
11
13
12
14
11
15
14
11
10
13
15
13
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13
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10
11
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12
11
12
16
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12
11
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12
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11
10
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12
15
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11
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13
15
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13
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12
11
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10
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10
13
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14
11
12
16
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10
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12
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11
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11
16
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12
16
10
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Elementary Algebra
Authors: Jerome E Kaufmann, Rosemary Karr, Karen L Schwitters, Marilyn Massey, R David Gustafson
10th Edition
1305161769, 9781305161764
