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Name: In order to determine if the average bacteria content of southern flow
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Description: In order to determine if the average bacteria content of southern flowing streams is less than the average bacteria content of northern flowing streams, independent random samples of 28 southern flowing streams and 35 northern flowing streams were ta

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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In order to determine if the average bacteria content of southern flowing streams is less than the average bacteria content of northern flowing streams, independent random samples of 28 southern flowing streams and 35 northern flowing streams were taken. Given the testing statistics below, determine if the data provides sufficient evidence to conclude that the average bacteria content of southern flowing streams is less than the average bacteria content of northern flowing streams, at the 5% significance level.

H0:μs≥μn
Ha:μs<μn
t0=−0.108
t0.05=−1.999

Select the correct answer below:

No; the test statistic is less than the critical value.

Yes; the test statistic is greater than the critical value.

No; the test statistic is greater than the critical value.

Yes; the test statistic is less than the critical value.

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