Treatment Placebo 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 0.01 significance level for both parts. n 25 40 2.35 2.63 0.94 0.65 a. Test the claim that the two samples are from populations with the same mean. What are the null and alternative hypotheses? O A. Ho H1 P2 O B. Ho H1 H2
Treatment Placebo 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 0.01 significance level for both parts. n 25 40 2.35 2.63 0.94 0.65 a. Test the claim that the two samples are from populations with the same mean. What are the null and alternative hypotheses? O A. Ho H1 P2 O B. Ho H1 H2
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
Related questions
Question
identify test statistic
identify p-value
Construct a confidence interval suitable for testing the claim that the two samples are from populations with the same mean.__<μ1−μ2<__(Round to three decimal places as needed.)
![Treatment Placebo
lu
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
In
H2
25
40
assume that the population standard deviations are equal. Complete parts (a) and (b) below. Use a 0.01 significance level for both parts.
2.35
2.63
0.94
0.65
a. Test the claim that the two samples are from populations with the same mean.
What are the null and alternative hypotheses?
O A. Ho: H1 µ2
H1: H1 <H2
O B. Ho: H1 < H2
H1: H1Z H2
OC. Ho: H1 = #2
O D. Ho: H1 = H2
H1: H1> H2](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2c1d0954-082a-48c1-b4d7-22ac9f1f697c%2F4ff322b3-8359-46a3-b612-cb97aff61e32%2F0077blk_processed.png&w=3840&q=75)
Transcribed Image Text:Treatment Placebo
lu
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
In
H2
25
40
assume that the population standard deviations are equal. Complete parts (a) and (b) below. Use a 0.01 significance level for both parts.
2.35
2.63
0.94
0.65
a. Test the claim that the two samples are from populations with the same mean.
What are the null and alternative hypotheses?
O A. Ho: H1 µ2
H1: H1 <H2
O B. Ho: H1 < H2
H1: H1Z H2
OC. Ho: H1 = #2
O D. Ho: H1 = H2
H1: H1> H2
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