A study was done using a treatment group and a placebo group. The results are shown in the table. Assume that the two samples are independent simple random samples selected from normally distributed populations, and do not assume that the population standard deviations are equal. Complete parts (a) and (b) below. Use a 0.05 significance level for both parts. H2 In 28 39 2.32 2.62 0.51 0.95 The test statistic, t, is-1.67. (Round to two decimal places as needed.) The P-value is (Round to three decimal places as needed.)
A study was done using a treatment group and a placebo group. The results are shown in the table. Assume that the two samples are independent simple random samples selected from normally distributed populations, and do not assume that the population standard deviations are equal. Complete parts (a) and (b) below. Use a 0.05 significance level for both parts. H2 In 28 39 2.32 2.62 0.51 0.95 The test statistic, t, is-1.67. (Round to two decimal places as needed.) The P-value is (Round to three decimal places as needed.)
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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A study was done using a treatment group and a placebo group. The results are shown in the table. Assume that the two samples are
independent simple random samples selected from normally distributed populations, and do not assume that the population standard
deviations are equal. Complete parts (a) and (b) below. Use a 0.05 significance level for both parts.
H2
n
28
39
2.32
2.62
IS
0.51
0.95
The test statistic, t, is -1.67. (Round to two decimal places as needed.)
The P-value is (Round to three decimal places as needed.)
Enter your answer in the answer box and then click Check Answer.
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Transcribed Image Text:Question Help V
A study was done using a treatment group and a placebo group. The results are shown in the table. Assume that the two samples are
independent simple random samples selected from normally distributed populations, and do not assume that the population standard
deviations are equal. Complete parts (a) and (b) below. Use a 0.05 significance level for both parts.
H2
n
28
39
2.32
2.62
IS
0.51
0.95
The test statistic, t, is -1.67. (Round to two decimal places as needed.)
The P-value is (Round to three decimal places as needed.)
Enter your answer in the answer box and then click Check Answer.
parts
2 remaining
Clear All
Check Answer
Murtimeato LIorory
6 VA 8:33
hp
DII
esc
backspace
96
6.
e
r
tab
k
f
a
V\
alt
ctri
alt
USE YOUR SMARTPHO
Reviews Videos
Specs Supe
lay.
lay.
y accs b
of Androd an
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