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Description: Provided below are summary statistics for independent simple random samples from two populations. Use the pooled t-test and the pooled t-interval procedure to conduct the required hypothesis test and obtain the specified confidence interval. x1=20

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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Provided below are summary statistics for independent simple random samples from two populations. Use the pooled t-test and the pooled t-interval procedure to conduct the required hypothesis test and obtain the specified confidence interval.

x1=20,

s1=5,

n1=10,

x2=19,

s2=6,

n2=13

a. Right-tailed test, α=0.05

b. 90% confidence interval

a. What are the correct hypotheses for a right-tailed test?

A. H0: μ1>μ2

Ha: μ1=μ2

B. H0: μ1=μ2

Ha: μ1≠μ2

C. H0: μ1≠μ2

Ha: μ1=μ2

D. H0: μ1=μ2

Ha: μ1<μ2

E. H0: μ1=μ2

Ha: μ1>μ2

F. H0: μ1<μ2

Ha: μ1=μ2

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