A researcher has developed a new drug designed to reduce blood pressure. In an experiment, 21 subjects were assigned randomly to the treatment group and received the new experimental drug. The other 23 subjects were assigned to the control group and received a standard, well-known treatment. After a suitable period, the reduction in blood pressure for each subject was recorded. A summary of these data is: n x S Treatment group (new drug) 21 23.48 8.01 Control group (old drug) 23 18.52 7.15 The P-value for a two-sampler test using these data, using Option 2 for degrees of freedom, is: larger than 0.05. between 0.02 and 0.025. between 0.025 and 0.05. between 0.04 and 0.05.
A researcher has developed a new drug designed to reduce blood pressure. In an experiment, 21 subjects were assigned randomly to the treatment group and received the new experimental drug. The other 23 subjects were assigned to the control group and received a standard, well-known treatment. After a suitable period, the reduction in blood pressure for each subject was recorded. A summary of these data is: n x S Treatment group (new drug) 21 23.48 8.01 Control group (old drug) 23 18.52 7.15 The P-value for a two-sampler test using these data, using Option 2 for degrees of freedom, is: larger than 0.05. between 0.02 and 0.025. between 0.025 and 0.05. between 0.04 and 0.05.
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:A researcher has developed a new drug designed to reduce blood pressure. In an experiment, 21 subjects were assigned
randomly to the treatment group and received the new experimental drug. The other 23 subjects were assigned to the control
group and received a standard, well-known treatment. After a suitable period, the reduction in blood pressure for each subject
was recorded. A summary of these data is:
n
x
S
Treatment group (new drug)
21
23.48
8.01
Control group (old drug)
23 18.52 7.15
The P-value for a two-sampler test using these data, using Option 2 for degrees of freedom, is:
larger than 0.05.
between 0.02 and 0.025.
between 0.025 and 0.05.
between 0.04 and 0.05.
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