group able. Assume that the two samples are independent simple random samples μ d from normally distributed populations, and do not assume that the population n d deviations are equal. Use a 0.05 significance level for both parts. X S statistic, t, is type your answer... two decimal places as needed.) alue is type your answer H1 25 2.38 0.91 H₂ 40 2.62 0.61
group able. Assume that the two samples are independent simple random samples μ d from normally distributed populations, and do not assume that the population n d deviations are equal. Use a 0.05 significance level for both parts. X S statistic, t, is type your answer... two decimal places as needed.) alue is type your answer H1 25 2.38 0.91 H₂ 40 2.62 0.61
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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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. Use a 0.05 significance level for both parts.
The test statistic, t, is type your answer...
(Round to two decimal places as needed.)
The P-value is type your answer...
(Round to three decimal places as needed.)
1
n
X
S
Treatment Placebo
H₁
H₂
25
40
2.38
2.62
0.91
0.61](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F86a97586-a754-4991-ba2c-c699a7133d3e%2F3a33ad65-64f3-4790-94e0-76feaab94437%2F0cvrj9i_processed.jpeg&w=3840&q=75)
Transcribed Image Text: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. Use a 0.05 significance level for both parts.
The test statistic, t, is type your answer...
(Round to two decimal places as needed.)
The P-value is type your answer...
(Round to three decimal places as needed.)
1
n
X
S
Treatment Placebo
H₁
H₂
25
40
2.38
2.62
0.91
0.61
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