Treatment PlaceboA study was done using a treatment group and a placebo group. The results are shown in the table. Assume that the two samples areindependent simple random samples selected from normally distributed populations, and do not assume that the population standarddeviations are equal. Complete parts (a) and (b) below. Use a 0.05 significance level for both parts.In29392.312.69Is0.690.99O A. Fail to reject the null hypothesis. There is not sufficient evidence to warrant rejection of the claim that the two samples are from populations with the samemean.O B. Reject the null hypothesis. There is not sufficient evidence to warrant rejection of the claim that the two samples are from populations with the same mean.OC. Fail to reject the null hypothesis. There is sufficient evidence to warrant rejection of the claim that the two samples are from populations with the same mean.P.Click to select your answer(s).PA 8:17hpescDII96&2346.backspacetabtweuryafshiftctrlaltaltctrlP ChromebookUSE YOUR SMARTPHONE FORwork and play.play. And play.Reviews Videos FeaturesSpecs SupportHDHD TouchscreenEnjoy access to millionsof Androld appsSCANMatoanp separaty and not indudedStandard dar Treatment PlaceboA study was done using a treatment group and a placebo group. The results are shown in the table. Assume that the two samples areindependent simple random samples selected from normally distributed populations, and do not assume that the population standarddeviations are equal. Complete parts (a) and (b) below. Use a 0.05 significance level for both parts.P2In29392.312.69Is0.690.99The test statistic, t, is (Round to two decimal places as needed.)The P-value is - (Round to three decimal places as needed.)State the conclusion for the test.Click to select your answer(s).OV 8 8:17ChpescDII96&.backspace7.etabySkentershiftnmctrlaltaltctriChromebookのUSE YOUR SMARTPHONE FORvork and play.play. And play.Revlews Videos FeaturesSpecs SupportHDHD TouchscrerenEnjoy access to millionsof Android aspsSCANWshouaps aya et includdStandard dtacatesmay

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Treatment Place 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. H1 in 29 39 2.31 2.69 0.99 O A. Fal to reject the null hypothesis. There is not sufficient evidence to warrant rejection of the claim that the two samples are from populations with the same 0.69 mean. O B. Reject the null hypothesis. There is not sufficient evidence to warrant rejection of the dlaim that the two samples are from populations with the same mean. OC. Fai to reject the null hypothesis. There is sufficient evidence to warrant rejection of the claim that the two samples are from populations with the same mean.

Treatment Place 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. H1 in 29 39 2.31 2.69 0.99 O A. Fal to reject the null hypothesis. There is not sufficient evidence to warrant rejection of the claim that the two samples are from populations with the same 0.69 mean. O B. Reject the null hypothesis. There is not sufficient evidence to warrant rejection of the dlaim that the two samples are from populations with the same mean. OC. Fai to reject the null hypothesis. There is sufficient evidence to warrant rejection of the claim that the two samples are from populations with the same mean.

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. Treatment Placebo μ μ1 μ2 n 27 39 x 2.38 2.65 s 0.87 0.61 a. Test the claim that the two samples are from populations with the same mean. What are the null and alternative hypotheses? A. H0: μ1≠μ2 H1: μ1<μ2 B. H0: μ1<μ2 H1: μ1≥μ2 C. H0: μ1=μ2 H1: μ1>μ2 D. H0: μ1=μ2 H1: μ1≠μ2 Your answer is correct. The test statistic, t, is (Round to two decimal places as needed.)
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