Please show all steps. Do not round until last calculation. Determine a strategy to analyze the data for each of the following desired information: 1. Is the data normally distributed? 2. Is there a statistically significant difference between the groups by gender? 3. Is there a statistically significant difference between the patients who receive the drug vs. the placebo?
Please show all steps. Do not round until last calculation. Determine a strategy to analyze the data for each of the following desired information: 1. Is the data normally distributed? 2. Is there a statistically significant difference between the groups by gender? 3. Is there a statistically significant difference between the patients who receive the drug vs. the placebo?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:survival
time
35 34 2 2 25 28 220 19 7 68101097666
32
32
23
17
13
6
327322:
17
15
12
12
11
11
8
8
8
8
5
5
4
NNW.
4
3
2
2
1
1
sex
1
1
1
1
1
1
1
1
0
0
1
0
0
0
0
0
0
0
0
1
0
1
0
0
0
0
0
0
0
0
0
0
1
1
0
1
1
1
1
1
1
log white
blood cell Treatmen
t (x)
count
1.45
1.47
2.2
2.53
1.78
2.57
2.32
2.01
2.05
2.16
3.6
2.88
2.6
2.7
2.96
2.8
4.43
3.2
2.31
4.06
3.28
1.97
2.73
2.95
2.3
1.5
3.06
3.49
2.12
3.52
3.05
2.32
3.26
3.49
3.97
4.36
2.42
4.01
4.91
4.48
2.8
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
log white
blood cell
(3 levels)
1
1
1
2
1
2
2
1
1
3
2
2
2
2
2
3
3
2
3
3
1
2
2
1
1
3
1
3
3
2
3
3
3
W NW WW NW W
3
2
3
3
2
3
This data set has two groups of leukemia patients:
one group of 21 persons has received a certain treatment (rx=0);
the other group of 21 persons has received a placebo (rx=1).
1) Compare survival time vs.:
Male
Female
Treatment rx=0
Treatment rx=1
2) Compare survival time vs. white blood cell count
Transcribed Image Text:Please show all steps. Do not round until last calculation. Determine a strategy to analyze the data for each of the
following desired information:
1. Is the data normally distributed?
2. Is there a statistically significant difference between the groups by gender?
3. Is there a statistically significant difference between the patients who receive the drug vs. the placebo?
Expert Solution
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Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step 1: Write the given information.
VIEWStep 2: Perform the hypothesis test to test the normality for the given data.
VIEWStep 3: Perform hypothesis test to check statistical significant difference between the groups by gender.
VIEWStep 4: Determine the degree of freedom, test statistics, P-value and conclusion for the hypothesis test.
VIEWStep 5: Determine whether there is difference between patients who receive the drugs vs the placebo.
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