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What is the alternate hypothesis that the researcher is testing?

What is the alternate hypothesis that the researcher is testing?

MATLAB: An Introduction with Applications
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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9.) A researcher is testing the reliability of a new method of growing culinary herbs.  It is know that the average time to germination (for the plant to sprout from the seed) for basil grown with the traditional method is μ=7.0μ=7.0 days with a standard deviation of σ=1.8σ=1.8  days.  The researcher tests the new method on 36 plants to see if there is any difference between the two methods in the time to germination for basil plants and finds that the average time germination with the new method is x¯¯¯=8.0x days.  What is the alternate hypothesis that the researcher is testing?

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