(b) The mean heigh males is 69 inches wonders if young A the ages of 18 and 69 inches. A randor American males ac sample mean of 71 A. Ho: x= 71 OB. Ho μ = 71 c. Ho : μ = 6. D. Ho 69 : x Ο = O E. Hou 69 =
(b) The mean heigh males is 69 inches wonders if young A the ages of 18 and 69 inches. A randor American males ac sample mean of 71 A. Ho: x= 71 OB. Ho μ = 71 c. Ho : μ = 6. D. Ho 69 : x Ο = O E. Hou 69 =
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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Transcribed Image Text:7:06
iTECH
ork.potsdam.edu
(b) The mean height of all adult American
males is 69 inches (5 ft 9 in). A researcher
wonders if young American males between
the ages of 18 and 21 tend to be taller than
69 inches. A random sample of 100 young
American males ages 18 to 21 yielded a
sample mean of 71 inches.
A. Ho = 71,
: x
B. Ho : μ = 71,
c. Ho : μ
69,
=
D. H₁ : x = 69,
=
69,
E. Ho : μ
F. H。 : µ > 69,
© 4G37% 5
|||
H₁ : <71
a
=
H, :μ
Ha µ<
< 71
Haμ> 69
Ha> 69
α
Haμ69
Ha : µ< 69
(c) According to the Merck Veterinary
Manual, the average resting heart rate for a
certain type of sheep dog is 115 beats per
minute (bpm). A Montana farmer notices his
aging sheep dog has been acting more
lethargic than usual and wonders if her heart
rate is slowing. He measures her heart rate
on 15 occasions and finds a sample mean
heart rate of 118.2 bpm.
4
A. Ho = 115,
Ha> 115
B. Ho : μ
115,
Ha:μ ‡ 115
c. Ho : μ = 115,
Ha:μ> 115
D. H₂ : μ = 118.2, Haµ < 118.2
E. Ho : μ
115, Ha:µ< 115
F. Ho : x = 118.2, H₁ : 118.2
‡
-
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