In a study, two groups of patients with a particular infection are given two different antibiotic treatments. The numbers of patients cured within various periods are as follows. Treatment Time to cure (days) 1-4 5-6 7-8 9-10 >10 Oral 28 32 24 10 6 By injection 44 20 12 11 10
In a study, two groups of patients with a particular infection are given two different antibiotic treatments. The numbers of patients cured within various periods are as follows. Treatment Time to cure (days) 1-4 5-6 7-8 9-10 >10 Oral 28 32 24 10 6 By injection 44 20 12 11 10
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 38HP
Related questions
Question
1. In a study, two groups of patients with a particular infection are given two different antibiotic treatments. The numbers of patients cured within various periods are as follows.
Treatment |
Time to cure (days) |
||||
|
1-4 |
5-6 |
7-8 |
9-10 |
>10 |
Oral |
28 |
32 |
24 |
10 |
6 |
By injection |
44 |
20 |
12 |
11 |
10 |
Use the following SAS output to perform a statistical test to if the data indicate a difference between the frequency distributions of the times to cure under the two treatments
2.
a) Name of hypothesis test:
b) H0:
c) HA:
d) Test Statistic:
e) p-value:
f) Decision in the context of the problem:
![Frequency
Percent
Row Pct
Col Pct
The SAS System
The FREQ Procedure
type
Table of type by time
time
1-4 5-6
5-6 7-8 9-10
>10
Total
Oral
100
50.76
28 32 24 10 6
14.21 16.24 12.18 5.08 3.05
28.00 32.00 24.00 10.00 6.00
38.89 61.54 66.67 47.62 37.50
By Injection
44 20 12 11 10 97
22.34 10.15 6.09 5.58 5.08 49.24
45.36 20.62 12.37 11.34 10.31
61.11 38.46 33.33 52.38 62.50
Total
72 52 36 21 16 197
36.55 26.40 18.27 10.66 8.12 100.00
Statistics for Table of type by time
DF
Value
Prob
4 11.3298 0.0231
4 11.4700 0.0218
1
0.5380 0.4633
0.2398
0.2332
0.2398
Statistic
Chi-Square
Likelihood Ratio Chi-Square
Mantel-Haenszel Chi-Square
Phi Coefficient
Contingency Coefficient
Cramer's V
Sample Size = 197](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3c7a5bc4-9bb7-4f47-8ee5-98c82f82509e%2Fbbacd6d0-65ca-4146-9b25-59d654c7ecdf%2F9tgmhu5_processed.png&w=3840&q=75)
Transcribed Image Text:Frequency
Percent
Row Pct
Col Pct
The SAS System
The FREQ Procedure
type
Table of type by time
time
1-4 5-6
5-6 7-8 9-10
>10
Total
Oral
100
50.76
28 32 24 10 6
14.21 16.24 12.18 5.08 3.05
28.00 32.00 24.00 10.00 6.00
38.89 61.54 66.67 47.62 37.50
By Injection
44 20 12 11 10 97
22.34 10.15 6.09 5.58 5.08 49.24
45.36 20.62 12.37 11.34 10.31
61.11 38.46 33.33 52.38 62.50
Total
72 52 36 21 16 197
36.55 26.40 18.27 10.66 8.12 100.00
Statistics for Table of type by time
DF
Value
Prob
4 11.3298 0.0231
4 11.4700 0.0218
1
0.5380 0.4633
0.2398
0.2332
0.2398
Statistic
Chi-Square
Likelihood Ratio Chi-Square
Mantel-Haenszel Chi-Square
Phi Coefficient
Contingency Coefficient
Cramer's V
Sample Size = 197
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