A major research study concluded that the mean number of times that adolescents had engaged in vandalism during the previous 12 months was 3.5 times. We believe the true population mean to be less than this. After collecting our own sample of 36 adolescents, we find that the mean number of times they have vandalized property during a 1-year period was X = 2.9 with a standard deviation equal to .7. Perform all of the procedures necessary for conducting a hypothesis test based on our assumption. What do you conclude? Set your alpha level at .05]
A major research study concluded that the mean number of times that adolescents had engaged in vandalism during the previous 12 months was 3.5 times. We believe the true population mean to be less than this. After collecting our own sample of 36 adolescents, we find that the mean number of times they have vandalized property during a 1-year period was X = 2.9 with a standard deviation equal to .7. Perform all of the procedures necessary for conducting a hypothesis test based on our assumption. What do you conclude? Set your alpha level at .05]
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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Answer the question. Show all the steps, not only the final answer. if possible, sketch a little diagram to clearly see the area under the normal curve.
8. A major research study concluded that the
![1. A major research study concluded that the mean number of
times that adolescents had engaged in vandalism during the
previous 12 months was 3.5 times. We believe the true
population mean to be less than this. After collecting our own
sample of 36 adolescents, we find that the mean number of
times they have vandalized property during a 1-year period was
X = 2.9 with a standard deviation equal to .7. Perform all of
the procedures necessary for conducting a hypothesis test
based on our assumption. What do you conclude? Set your
alpha level at .05.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0953fd5e-5d5d-4037-babd-bfeb1640f788%2Fa3d9ebf5-6e47-46ca-9053-67a4f6f3a8d9%2Fsxll5r_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1. A major research study concluded that the mean number of
times that adolescents had engaged in vandalism during the
previous 12 months was 3.5 times. We believe the true
population mean to be less than this. After collecting our own
sample of 36 adolescents, we find that the mean number of
times they have vandalized property during a 1-year period was
X = 2.9 with a standard deviation equal to .7. Perform all of
the procedures necessary for conducting a hypothesis test
based on our assumption. What do you conclude? Set your
alpha level at .05.
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