Problem 3: A pharmaceutical company conducts an experiment to test the effect of a new cholesterol medication. The company selects 15 subjects randomly from a larger population. Each subject is randomly assigned to one of three treatment groups. Within each treatment group, subjects receive a different dose of the new medication. In Group 1, subjects receive 0 mg/day; in Group 2, 50 mg/day; and in Group 3, 100 mg/day. The treatment levels represent all the levels of interest to the experimenter, so this experiment used a fixed-effects model to select treatment levels for study. After 30 days, doctors measure the cholesterol level of each subject. The results for all 15 subjects appear in the table below. Test at 0.01 level of significance whether there are significant differences among the treatments. Group 1, 0 mg Group 2, 50 mg Group 3, 100 mg 210 240 Subjectl Subject2 Subject3 Subject4 Subject5 210 180 240 210 270 270 240 270 210 210 240 300 270
Problem 3: A pharmaceutical company conducts an experiment to test the effect of a new cholesterol medication. The company selects 15 subjects randomly from a larger population. Each subject is randomly assigned to one of three treatment groups. Within each treatment group, subjects receive a different dose of the new medication. In Group 1, subjects receive 0 mg/day; in Group 2, 50 mg/day; and in Group 3, 100 mg/day. The treatment levels represent all the levels of interest to the experimenter, so this experiment used a fixed-effects model to select treatment levels for study. After 30 days, doctors measure the cholesterol level of each subject. The results for all 15 subjects appear in the table below. Test at 0.01 level of significance whether there are significant differences among the treatments. Group 1, 0 mg Group 2, 50 mg Group 3, 100 mg 210 240 Subjectl Subject2 Subject3 Subject4 Subject5 210 180 240 210 270 270 240 270 210 210 240 300 270
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
Help me answer these problems : One-way ANOVA
Provide the ANOVA Table for each problem. An example ANOVA table is presented below:
Transcribed Image Text:Instruction:
Provide the ANOVA Table for each problem. An example ANOVA table is
presented below:
Source of Variation
SS
df
MS
F
p-value
Between Groups
Within Groups
Total
Problem 3:
Problem 4:
A pharmaceutical company conducts an experiment to test the effect of a
new cholesterol medication. The company selects 15 subjects randomly from a
larger population. Each subject is randomly assigned to one of three treatment
Each of the following four columns (stored in columns f1 to f4 of the table)
represents instrument recording of some arbitrary property consisting of 6
samples. At 0.05 significance level, determine whether there is a significance
different among the four recordings.
groups. Within each treatment group, subjects receive a different dose of the
new medication. In Group 1, subjects receive 0 mg/day; in Group 2, 50 mg/day3;
and in Group 3, 100 mg/day. The treatment levels represent all the levels of
interest to the experimenter, so this experiment used a fixed-effects model to
select treatment levels for study. After 30 days, doctors measure the cholesterol
level of each subject. The results for all 15 subjects appear in the table below.
f1
f2
f3
f4
Samplel
Sample2
Sample3
Sample4
Sample5
15
15
23
29
24
16
25
25
27
18
16
17
Test at 0.01 level of significance whether there are significant differences among
26
19
16
26
the treatments.
22
18
26
30
Sampleó
20
25
15
17
Group 1, 0 mg Group 2, 50 mg Group 3, 100 mg
Subject1
Subject2
Subject3
Subject4
Subject5
210
210
180
240
240
210
270
240
210
270
270
210
300
270
240
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