Question A group of researchers investigating whether a certain drug for treatment of hypertension worked different between two groups of patients recently diagnosed with hypertension selected a sample of patients from each group and administered the same dose of the drug to each of the patients. Their observations are as indicated in the table below. Calculate and interpret the F- value (clue: procedure for hypothesis testing, test assumptions, and procedure for ANOVA) Patient number Drop in Blood Pressure (mmHg) Sample A 5 3 6 7 41 5 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 63 3 6 4 5 53 7 456 357 4 Sample B 8 7 10 11 12 14 12 12 11 10 9 10 12 12 8 7 6 5 4 7
Question A group of researchers investigating whether a certain drug for treatment of hypertension worked different between two groups of patients recently diagnosed with hypertension selected a sample of patients from each group and administered the same dose of the drug to each of the patients. Their observations are as indicated in the table below. Calculate and interpret the F- value (clue: procedure for hypothesis testing, test assumptions, and procedure for ANOVA) Patient number Drop in Blood Pressure (mmHg) Sample A 5 3 6 7 41 5 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 63 3 6 4 5 53 7 456 357 4 Sample B 8 7 10 11 12 14 12 12 11 10 9 10 12 12 8 7 6 5 4 7
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 25SGR
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Transcribed Image Text:Question
A group of researchers investigating whether a certain drug for
treatment of hypertension worked different between two groups
of patients recently diagnosed with hypertension selected a
sample of patients from each group and administered the same
dose of the drug to each of the patients. Their observations are
as indicated in the table below. Calculate and interpret the F-
value (clue: procedure for hypothesis testing, test assumptions,
and procedure for ANOVA)
Patient number Drop in Blood Pressure (mmHg)
Sample A
5
3
6
7
4
5
1
2
3
4
51
6
7
8
91
10
11
12
13
14
15
16
17
18
19
20
6
3
6
4
5
3
7
4
5
6
3
5
7
Sample B
8
7
10
11
12
14
12
12
11
10
9
10
12
12
8
6
5
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Step 1: Write the given information.
VIEWStep 2: Determine the group means and the overall mean.
VIEWStep 3: Determine the degree of freedom and sum of squares for the given data.
VIEWStep 4: Determine the mean square and F statistics from the obtained sum of squares.
VIEWStep 5: Perform the anova test using the obtained parameters.
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