What are the appropriate statistical hypotheses for this study given that a directional alternative hypothesis will be used? Let sample 1 be the group receiving andro and sample 2 be the group receiving the placebo.
What are the appropriate statistical hypotheses for this study given that a directional alternative hypothesis will be used? Let sample 1 be the group receiving andro and sample 2 be the group receiving the placebo.
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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first picture is the background information

Transcribed Image Text:www.
Androstenedione (andro) is a steroid that is thought by some athletes to increase strength. Researchers
investigated this claim by collecting a random sample of men and randomly assigning half to receive andro and
the other half to receive a placebo. One of the variables measured in the study was the increase in "lat pull
down" strength (in pounds) of each subject after 4 weeks. (A lat pull down is a type of weightlifting exercise.)

Transcribed Image Text:What are the appropriate statistical hypotheses for this study given that a directional alternative hypothesis will
be used? Let sample 1 be the group receiving andro and sample 2 be the group receiving the placebo.
OA. H: ₁₂ H H₁ #1₂
:
OB. H
OC. H H₁ H₂ H H₁ <H₂
С.
₁₂, H: "₁>"₂
A
OD. H=0, H: "#0
A
OE. H: "=0, H μ₂>0
:
A
D
OF. H: H=0, H HD<
D
A
:
OG. H: p=0, H p‡0
A
OH. H
p=0, H : p>0
A
O₁. H: p=0, H₁: p<0
Η
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